Cindy Blanco

Dr. Cindy Blanco is a senior learning scientist at Duolingo and a former college instructor of Spanish and linguistics. She is an expert in language learning, bilingualism, and data analysis.

Duolingo Team

Sophie Wodzak

Sophie Wodzak is Senior Communications Manager for the Duolingo English Test. She has a master's degree in professional writing from Carnegie Mellon University and has written for the New York Times.

Sam Zabell

Editorial strategy at Duolingo

Aislin Pickett Davis

Emilie Zuniga

Dr. Emilie Zuniga is a linguist and educator who works on many Duolingo features and courses, including Arabic and Zulu. Her PhD is in Arabic linguistics.

Mykhaylo Zakryzhevskyy

Mykhaylo Zakryzhevskyy is a Curriculum Designer at Duolingo (MA in Linguistics and Instructional Design). He taught English as a second language and now works on our core course content and features.

Hope Wilson

Hope Wilson is a Senior Curriculum Designer at Duolingo. She holds a PhD in Slavic studies and is a former Russian teacher. She works on our core course content.

Danielle Dionne

Dr. Danielle Dionne is a Learning Scientist at Duolingo. She has a PhD in Linguistics and specializes in sociolinguistics and language variation.

Parker Henry

Parker Henry is a former K12 ESL teacher, a proud Hoosier, and a lifelong learner. He works as an Educational Content Developer at Duolingo with interests in language policy, education, and typology.

Aroline Hanson, Ph.D.

Dr. Aroline Hanson is a high school and college Spanish and Linguistics professor whose research is on second language acquisition with a focus on motivation, language tools, and language processing.

James Leow

Dr. James Leow is the curriculum designer for the Spanish course at Duolingo. He has expertise in Hispanic Linguistics and second language teaching and learning.

Cassie Freeman

Cassie is a Senior Learning Science Manager at Duolingo and leads the Learning Science Lab. She holds a PhD in Comparative Human Development and works on learning content for Duolingo’s new math app.

Elizabeth Strong

Elizabeth is a Senior Learning Designer with a PhD in linguistics and a former K-12 and university French teacher. She focuses on supporting courses that teach less-commonly-taught languages.

Xiangying Jiang

Xiangying Jiang is a Learning Scientist at Duolingo, and works on learning assessment. She has a PhD in Applied Linguistics and was an Associate Professor of TESOL at West Virginia University.

Elizabeth Onstwedder

Jacqueline Bialostozky

Dr. Jacqueline Bialostozky is an Educational Content Developer at Duolingo with a PhD in Hispanic Languages & Literatures. Their interests include language pedagogy, reading comprehension, & writing.

Emily Chiu

Emily is a Senior Creative Producer at Duolingo, working on building the world of Duolingo through Stories and podcasts.

Luis von Ahn

CEO & co-founder of Duolingo

Adele Touhey

Dr. Adele Touhey is a Curriculum Designer at Duolingo. Their background is in Curriculum & Instruction, and they have experience teaching both English and Chinese.

Bozena Pajak

VP of Learning & Curriculum at Duolingo. A scientist trained in linguistics and the cognitive science of learning. Works at the intersection of learning science, pedagogy, and product development.

Lisa Bromberg

Lisa is a Curriculum Designer at Duolingo. She is a former middle-school French teacher with a Ph.D. in French Studies (focus: nineteenth century). She contributes to all things French at Duolingo!

Emma Gibson

Emma is a Learning Designer at Duolingo and specializes in long-form learning content. She has a degree in linguistics, and is passionate about language learning.

Amanda Dalola

Amanda is an associate professor of linguistics at the University of Minnesota where she directs the Language Center. Her research focuses on language variation, identity, and digital media in French.

Kayti Burt

Kayti is a pop culture writer & editor with more than a decade of experience telling stories. Beats include working class representation in Hollywood, transformative fandom, and the rise of global TV.

Neil Kirk

Dr. Neil Kirk is a Lecturer in Psychology at Abertay University. He researches speakers of Minority, Indigenous, Non-standard and Dialect (MIND) varieties who don't always call themselves bilingual.

Valeria Carrillo

For over 10 years, Dr. Valeria Carrillo has designed learning experiences that engage students through active learning, real-world language tasks, and online community building.

Stefanie Schantl

Stefanie Schantl is a language expert working on the German course. She enjoys delving deep into the nuances of language—both professionally and personally.

Kate Barker

Kate is a Learning Designer at Duolingo. She uses AI to create new learning content at scale.

Nora Gordon

Nora Gordon is a Curriculum Designer at Duolingo. She has taught Spanish and English as a Foreign Language. She currently works on Duolingo's English courses for speakers of Spanish and Portuguese.

Kristina Schoen

Dr. Kristina Schoen is a Curriculum Designer for Duolingo's German course. She has a PhD in German applied linguistics and her research interests include conversation analysis and video games.

Elise Hopman

Elise Hopman is a Learning Scientist at Duolingo. They are from the Netherlands and have a PhD in Cognitive Psychology. They develop the different types of exercises that you see in your lessons!

Klinton Bicknell

Head of AI at Duolingo. Machine learning + human learning + language + cogsci + ...

Alexa Fernandez

Alexa is a Senior Creative Producer on the Podcasts and Audio team, working on the Duolingo Podcasts and audio features at Duolingo.

Sharon Wilkinson

Sharon Wilkinson is a Senior Learning Designer with a Ph.D. in French and Second Language Acquisition. She taught French for 25 years and works on our French course for English speakers.

Anthony Chan

Anthony is a Learning Designer at Duolingo working on Japanese course content.

Farrah Neumann

Farrah is a Learning Scientist with a Ph.D. in Hispanic Linguistics. She is an expert in second language acquisition and speech sound learning, with experience teaching Spanish and Linguistics.

Josh Brown

Dr. Josh Brown is Professor of German and Linguistics at the University of Wisconsin-Eau Claire. His research focuses on heritage languages, forensic linguistics, and historical sociolinguistics.

Alexander Mendes

Maria Gabriela Jones

Maria is a Spanish Math Localization Consultant at Duolingo. She is passionate about ensuring children have access to quality educational materials in their native language.

Colm Boyd

Colm is a writer and editor who creates content for several Duolingo courses and features. He also writes about music and pop culture, and was once described by Forbes as "hilarious!"

Ari Moline

Senior Learning Designer with a PhD in applied linguistics. Former TESOL and adult literacy instructor. Focused on culturally integrated language pedagogy, Indigenous languages, and pronunciation.

Cory Wheeler

Cory is an Educational Content Developer for the English courses for Spanish and Portuguese speakers at Duolingo.

Osman Mansur

Osman is a Product Manager leading Duolingo's Reengagement team, working on mobile widgets, notifications and other OS integrations that make building a habit easy and fun.

Elisa Camps Troncoso

Elisa Camps Troncoso is a Learning Designer who creates content for our Spanish courses. She has an M.A. in linguistics and is interested in helping learners build conversation skills.

Joe Bauman

Dr. Joseph Bauman is Associate Teaching Professor of Spanish at Pennsylvania State University. He teaches various courses on the history of Spanish, dialects, and Spanish pronunciation.

Brandon Lesher

Brandon Lesher is a Senior Curriculum Designer at Duolingo with expertise in teaching English. He has directed multiple ESL and adult literacy programs and has extensive English teaching experience.

Adriano Trovato

Adriano Trovato is an Italian & Spanish pedagogy expert, course designer, and linguist. He holds a PhD in Spanish Linguistics. His interests include bilingualisms, sociolinguistics, and phonology.

Fernando Melero-García

Dr. Fernando Melero-García is a Curriculum Designer and former professor of Spanish. He is an expert in developing and structuring language courses that adhere to international standards.

Rodrigo de Oliveira

Rodrigo de Oliveira is a multilingual translator and proofreader working on courses and Stories at Duolingo. When he's not learning languages, he's probably watching sports or playing games.

Álex Adame Basilio

Álex is a Spanish Music Localization Consultant at Duolingo. He's currently completing his PhD at the School of Modern Languages in St Andrews, UK. He enjoys all music, from Afghanistan to Zimbabwe.

Michaela Kron

Michaela is the U.S. Marketing Lead for Duolingo, with more than 10 years experience in PR and marketing. She's using Duolingo to brush up on the Mandarin she learned while studying abroad in China.

Burr Settles

Director of Research. Machine learning, music, & mischief. Natural language processing & learning science. He/him/yinz/y'all.

Isabel Deibel

Jason Goettisheim

Jason is a Senior Product Manager at Duolingo focusing on long form, multimedia learning initiatives.

Tracee Miller

Kevin Lenzo

Kevin Kunitake

Kevin Kunitake is a Senior Creative Producer on Duolingo's Studio & Content Team. His work focuses on developing new content formats such as podcasts, video and more!

Ben Reuveni

Ben Reuveni is a Senior Learning Scientist at Duolingo, with a Ph.D in the cognitive neuroscience of learning and memory. He works with product teams to ensure that Duolingo is both fun and effective.

Samia Khalaf

Samia Khalaf is a senior illustrator at Duolingo. Her passions are traveling, teaching, and eating food.

Peter Pfordresher

Dr. Peter Q. Pfordresher is Professor of Psychology at the University at Buffalo, SUNY. His research focuses on individual differences in vocal pitch matching ability when singing or imitating speech.

Chihiro Honda

Chihiro Honda is a Ph.D. student in Cognitive Psychology at University at Buffalo, SUNY. She studies auditory processing, specifically pitch perception and production in music and language.

Equipe Duolingo

L'équipe Duolingo

Luz Robinson

Luz is a doctoral candidate in School Psychology at the University of North Carolina at Chapel Hill and a Ford fellow. Her research intersects math education, psychology, and technology.

Olivia Thayer

Olivia is a North Carolina-born, Paris-based linguist specializing in Spanish and French grammar. She has worked on our English, Spanish, and French courses.

Dani Francuz Rose

Dani Francuz Rose is a linguist and writer who adores languages and cultures. Originally from Chicago and now based in Ottawa, Dani loves exploring and sharing the world through words.

Lindsey Lange-Abramowitz

Lindsey Lange-Abramowitz has 10 years of experience teaching ESL and a master's in Teaching English to Speakers of Other Languages. Her writing has appeared in HuffPost, Harper’s Bazaar and Newsweek.

Dune Dills

Dune Dills is a linguist and writer who has worked on Duolingo courses and features for multiple languages. She has a degree in linguistics and enjoys traveling abroad and learning obscure languages.

Chris Denter

Chris is a Staff Software Engineer at Duolingo. He now leads the Writing Systems team. The goal: make non-Latin courses like Japanese & Chinese awesome. He's now learning his 5th language (Mandarin).

Laura Macomber

Supervising Producer of Duolingo Podcasts

Katy Romdall

Robert Managad

Robert is a Senior Product Designer at Duolingo

Greg Hartman

Head of Art at Duolingo

Anton Yu

Anton Yu is a Senior Product Manager at Duolingo

Ramsey L. Cardwell

Dr. Ramsey Cardwell is an assessment scientist working on the Duolingo English Test. He is a former EFL teacher, and has a PhD in educational measurement with a focus on language testing.

Gretchen Swecker

Caroline Fisher

Storyteller and test taker advocate on the Duolingo English Test team.

Kendra Ross

Kendra is Head of Social Impact at Duolingo and holds a PhD in Community Engagement. She is passionate about cultivating greater equity through arts and culture, education, and technology.

Tina Tan

Tina Tan is a Curriculum Designer at Duolingo with a Master's degree in Applied Linguistics. She is a former university Chinese teacher and now focuses on online English and Chinese courses design.

Rich Forest

Rich is a Learning & Curriculum Manager who works on building content for our largest courses. His PhD is in Applied Linguistics, and before joining Duolingo he taught English around the world.

Emanuela Cavaleri

Emanuela Cavaleri is a linguist and a translator working with Italian, English, and French. She is passionate about building bridges between people through language and culture.

Sara Mattavelli

Sara Mattavelli is a professor and language-learning advocate with a Ph.D. in Italian and Second Language Acquisition. She crafts linguistic magic for Duolingo’s Italian course for English Speakers.

Equipo de Duolingo

Duolingo-Team

Laura Studarus

Laura is a full-time traveler and writer. Sometimes she can go several hours without a cup of tea. Duolingo is helping her learn Japanese, French, and Korean.

Alison Falco

Alison is a Senior Learning Designer for the Math course at Duolingo. She is a former math teacher and curriculum publisher. Her favorite math topic is Ratios!

Karin Tsai

Karin Tsai is a Senior Director of Engineering at Duolingo, overseeing engineering initiatives related to learning. Background in computer science and neuroscience from Princeton University.

Georgina Rovirosa Trujillo

Rachel Salvador

Estelle Tian

Estelle is an Associate Curriculum Designer at Duolingo. She studied Chinese, German, and Linguistics in undergrad and had a brief stint in adult education teaching English as a second language.

AJ Noh

AJ Noh is a product designer at Duolingo.

Holly Munson

Holly Munson is a senior content designer at Duolingo. She untangles complexity, organizes information, and writes words.

Ananya Rajgarhia

Ananya Rajgarhia is a Senior Software Engineer at Duolingo. She leads a team focused on improving how we present our course content to learners.

Alexander Francis-Ratte

Dr. Alexander Francis-Ratte is Associate Professor of Asian Studies at Furman University. His teaching and research focus on Japanese, Korean, and language history.

John Trivelli

Product designer at Duolingo. Designed gamified features like Leaderboards, Achievements, XP Boost, Streak Society, Friends Quest and more!

Nico Sacheri

I work on Product at Duolingo, making the learning experience more social so that learners can share their learning experiences. Passionate about soccer and giving the world access to free education.

Courtney Leung

User experience researcher at Duolingo. I work with the product area and help make the learning experience more social.

Anna Gusman

Hi, I'm a Product Designer at Duolingo. I design shapes and colors that make people want to do things :)

Ryan Peters

Ryan is a Learning Scientist at Duolingo. He leverages his PhD in Speech, Language and Hearing Sciences to do research that improves in-app learning experiences and is shared with the world.

Daniel Erker

Danny is an associate professor of Spanish and Linguistics at Boston University where he conducts research on language variation, change, and Spanish in the United States.

David Baker

Dr. David John Baker is a music researcher who uses cognitive and computer science to understand how people hear, enjoy, and make music.

Art Chaidarun

Principal Software Engineer at Duolingo

Ming Zhang

Software Engineer

Edwin Bodge

Edwin Bodge is a Senior Product Manager at Duolingo. He is a graduate of Duke University, where he studied Computer Science and Electrical + Computer Engineering.

Joseph Rollinson

Myra Awodey

Myra is a Community Manager at Duolingo.

Megan Barker

Kevin Yancey

Senior Machine Learning Engineer at Duolingo

Jennifer Dewar

Mark Pavic

Mark Pavic is a Marketing Manager for the Duolingo English Test team.

Erin Gustafson

Erin Gustafson is a lead data scientist working on assessment, learning analytics, and educational data mining. She holds a PhD in linguistics with a specialization in cognitive science.

Lucy Portnoff

Lucy Portnoff is a data scientist focusing on learning assessment at Duolingo. She graduated from the University of California, Berkeley with an undergraduate degree in Mathematics.

Angela Huang

Product designer at Duolingo

Kaitlin Anselmo Pothireddy

Katie is a content manager on the Duolingo for Schools team and a former vice principal, teacher coach, and special educator. She has a Masters in Education from Johns Hopkins University.

Naomi Care

Naomi Care is an expert in inclusive digital assessment. She is an Analyst for Assessment Microanalytics and has a background in psychology and anthropology.

Eve Moore

Eve is a student at University College Dublin, a freelance writer and an overall linguaphile! She speaks English, French and Italian and is currently trying her hand in learning Dutch with Duolingo.

Sammi Siegel

Sammi Siegel is a Staff Software Engineer leading the Duolingo Math Team. She is a graduate of Duke University, where she studied Computer Science and Math.

Tyler Murphy

Tyler has been at Duolingo for ages. His latest obsession is getting Duolingo into new subject areas, starting with math.

Jackson Shuttleworth

Jackson is a Senior Product Manager, leading Duolingo's Retention team. His favorite feature is the Streak Freeze, since keeping a daily habit in anything is HARD!

Gabriela Talarico

Gabriela Talarico is an interdisciplinary communicator working on many Duolingo features, like Podcasts and Stories. Her interests lie in the intersections of education, research and creativity.

Sam Dalsimer

André Kenji Horie

Director of Engineering, Duolingo English Test

Lavanya Aprameya

Lavanya Aprameya is a Senior Software Engineer at Duolingo, working on making our data easier to use. She is a graduate of Cornell University, where she studied Computer Science and Linguistics.

Masato Hagiwara

Margarita Misirpashayeva

Conor Walsh

David Andrews

Maggie Hewitt

Claire Brust

Haina Xiang

John Nicol

Zaria Parvez

Zaria is the Global Social Media manager at Duolingo (and the owl on TikTok).

Natalia Castillejo

Group Product Manager at Duolingo

Tommy Wang

Holly Estes

Tamsin Thomas

Repping the Duolingo English Test in the UK.

Zari

Zari is a straight-A student who loves K-pop, baby animals, and her best friend Lily. Zari will always be there to cheer on fellow learners!

Eva Raimondi

Eva Raimondi is a Senior Localization Program Manager and Globalization Team Lead at Duolingo.

Billy Leet

Billy Leet is a senior user experience researcher at Duolingo, and a former speech-language pathologist. He conducts research to understand how learners use tools like Duolingo to study languages.

Jay Fanelli

Jay Fanelli is a Senior Design Manager at Duolingo where he manages the product design team in the Monetization area. He is a former design studio and startup founder.

Yena Park

Yena Park is an assessment scientist on the test development team for the Duolingo English Test. She holds a PhD in second language studies with a specialization in language assessment.

Giulia Checchi

Aris M Clemons

Aris M. Clemons is an Assistant Professor of Hispanic Linguistics at the University of Tennessee Knoxville. Her work specializes in the intersections between language, race, and identity.

Jennifer Cabrelli

Dr. Jennifer Cabrelli is an associate professor of Spanish and Linguistics at the University of Illinois at Chicago, where she researches how language systems interact in the multilingual mind.

Duolingoチーム

Michael Wilson-Caro

Michael is a writer and pedagogy specialist for Duolingo courses, Stories and DuoRadio. He has a Spanish-British background and a passion for storytelling.

Soo Hyoung Joo

Soo is a linguist who focuses on second language assessment and teaching English and Korean. She is currently working on the Duolingo Korean course.

Kristin Bach

Kristin Bach is a learning design intern at Duolingo this summer. After the summer, she will go back to Germany to complete her masters in Linguistics, English, and German as a foreign language.

Danchen Yang

Danchen is a Learning Design Manager at Duolingo. Her work focuses on making the English courses better, and her interests include second language acquisition and education technology.

Will Monroe

Brittany Mitlo

Bill McDowell

Zachary Golan-Strieb

Marcy Meinert

Logan Weber

Jeesoo Sohn

Celena Chen

Adam Hesterberg

Ciaran Iòsaph MacAonghais

Kai Herng Loh

Rebeca Ricoy

Rebeca Ricoy is currently the Director of Country Marketing for Mexico and LATAM. She is an expert in brand marketing, public relations, social media, and influencer marketing.

Vivian Reidler

Jeffrey Tousignant

Marketing for the Duolingo English Test. EdTech and TestTech.

Jen Carberry

Geoffrey T. LaFlair

Senior Assessment Scientist. Language assessment, validity, corpus linguistics, & quantitative research.

Caitlin Lownes

Jessie Becker

Learning & Curriculum Manager at Duolingo with a PhD in Hispanic Languages and Literatures. Experience in language teaching, pedagogy, and curriculum design.

Bobby Finnegan

User Operations for the Duolingo English Test. LGBTQIA+ ERG co-founder. D&I Experiences committee member.

Renee Davis

Stephen Mayhew

Haifa Harb

Abhishek Rungta

Elise Walton

Employee Experience Manager at Duolingo who oversees programs related to employee engagement, culture & career growth, and DEIB (diversity, equity, inclusion & belonging).

Fabio Lessa

Colin Watkins

Colin Watkins is the Director of Regional Marketing (Europe) at Duolingo. Previous roles include: Snapchat, BBC, Sky, and Channel 4.

Sho Mizutani

Analigia Martins

Analigia é Diretora de Marketing para o Duolingo Brasil. Pós-graduada pela Harvard University, é especialista em branding e marketing online e offlne para o segmento de educação.

Stephanie Liu

Mary van Ogtrop

Senior Content Designer

Maggie Glascott

Senior Email Marketing Manager @ Duolingo

Carrie Wang

Strategy & Business Ops lead at Duolingo.

Zan Gilani

Product Manager at Duolingo

San Kim

Kevin Yang

Tyler Tape

Matt LaRose

Pat Dalsass

Beth Chasse

Mirza Basim Baig

Creston Bunch

Michelle A. Ocasio

Dr. Michelle Ocasio is an Assoc. Professor of Teaching English to Speakers of Other Languages and Spanish at Valdosta State University. As a Fulbright Scholar, she researched the Garifuna language.

Kahdeidra Monét Martin

Dr. Martin is a Lecturer of Writing and Rhetoric at Stanford and a Scholar in Residence at The Chapin School. She holds a Ph.D. in Urban Education.

Kurt Hartfelder

Kurt Hartfelder is an animator and motion graphics artist at Duolingo.

Rowan Mockler

Rowan is an Associate Product Manager at Duolingo. He works on Project Swedish, a team focussed on rapidly scaling learning features to smaller courses on Duolingo.

Clark Munson

Aleenah Ansari

Aleenah is a storyteller, content strategist, and journalist at heart who writes about travel, entrepreneurship, and representation in media for Business Insider, CNBC, The Seattle Times, and more.

Sophie Hoffman

Sophie is a translator and editor who works with English, French and Spanish. She has a MA degree in Translation Studies from UCL and is interested in language and culture.

Dalia Shehata

Dalia Shehata is a university recruiter at Duolingo. She currently recruits for Duolingo's product and design university roles.

Mariette Williams

Mariette Williams is a freelance writer who covers topics like travel, culture, books, and wellness. When she's not traveling, she's lost in a good book.

Lindsay Addington

Lindsay Addington is a Senior Strategic Engagement Manager for US graduate programs at the Duolingo English Test.

Kevin Hostetler

Kevin worked in international admission for The George Washington University, the University of California Los Angeles, and the University of Southern California before joining the Duolingo team.

Haley HyunJoo Yang

K-pop and K-culture reporter at the Korea JoongAng Daily, South Korea’s leading English daily newspaper. After growing up in Korea, the US and the UK, my passion is sharing stories about culture.

Peter Baker

Staff Software Engineer at Duolingo

Jasmine Vahidsafa

Jasmine Vahidsafa is an animator at Duolingo.

Lisa Frumkes

Lisa Frumkes works on the Freelance Operations team at Duolingo. She holds a PhD in Slavic Linguistics and has been working at the intersection of language, education, and technology since 1989.

Jasmine Zhang

Product Manager at Duolingo

Jonathon Kuo

Software Engineer at Duolingo

Ahmed Ali Akbar

Ahmed Ali Akbar is a James Beard Award winning writer and host of Radiolingo, a new podcast from Crooked Media and Duolingo

Lorena Kanzki

Lorena Kanzki is a Creative Producer on the Studios + Content Team at Duolingo, where she works on content for Podcasts and Stories.

Monica Lagrange

Monica is a previous animation intern with the Duolingo Thrive program. She's currently a student at Ringling College of Art and Design.

Taylor Burgess

Taylor is a returning illustration intern from the Duolingo Thrive program. She is currently a student at the Rhode Island School of Design.

Misato Hiraga

Misato is an expert in teaching Japanese to speakers of other languages, and at Duolingo she develops content for our Japanese course for English speakers.

Audrey Kittredge

Audrey is a Learning Science Manager at Duolingo and holds a PhD in Cognitive Psychology. She is part of the Learning Science Lab, where she works on doing research and communicating it to the world.

Peter Chapman

Engineering Director, Product Quality

Caesar Wirth

Caesar Wirth is a Staff Software Engineer at Duolingo. He works on making it easier to develop the iOS app. He speaks English, Japanese, is learning German, and will sit and work anywhere he fits.

Leia Gilceava

Leia is currently a student in an international high school. Leia speaks Romanian, English, and some Spanish and is currently studying Chinese with Duolingo but is having a hard time with the tones.

Wahab Owolabi

Wahab Owolabi is the Head of Diversity, Equity, Inclusion, & Belonging at Duolingo

Sean Colombo

Senior Director of Engineering, Head of Growth. Previously founded LyricWiki (sold to Fandom) and BlueLine Game Studios (sold to Gen42 Games). Working on Growth at Duolingo since 2018.

Moline Dastrup

Moline leads content R&D at Duolingo and is passionate about the intersection of learning, entertainment, and product development. She is currently developing new features like DuoRadio and Stories.

Cem Kansu

Cem Kansu is the VP of Product at Duolingo where he leads the product management organization. Previously, he led Duolingo's monetization efforts and the development of Super Duolingo.

Blanca Zhang

Technical Program Manager at Duolingo

Derek Gieraltowski

Derek is really cool and fun animator at Duolingo who likes to have fun and be cool!!!!!! he enjoys goofing around and hanging with his dog, Armageddon Apocalypse Nuclear Tiffany Rapture Laser Beam

Lisa Hamrick

Dr. Lisa Hamrick is a postdoctoral researcher in the Department of Psychology at the University of South Carolina. She researches early language and social communication of young autistic children.

Joyce Lim

Joyce Lim is a researcher, linguist, and educator. She holds a PhD in Second Language Education and specializes in L2 writing development and corpus linguistics.