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Meet the ENGin Team

Our experienced and enthusiastic team consists of students and professionals located across the United States and Ukraine. Most of us have personally experienced the challenges of mastering spoken English and the life-changing opportunities that English fluency brings. We are passionate about bringing these opportunities to every motivated student who wants to improve their spoken English.

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Katerina Manoff

Founder & CEO

Katerina has 5+ years experience teaching English and managing online language learning programs. She has also helped launch multiple nonprofit and for-profit initiatives in the education space. She holds a Master's in Education from Harvard University.  

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Emily Gross

Development Associate 

Emily has worked with nonprofits of all sizes as a fundraising professional, board member, membership program manager, and in video marketing since 2013. She began the life-changing experience of volunteering with ENGin in 2022 and is excited to support the organization as a staff member. Emily believes ENGin’s program model is key to furthering empathy and understanding between cultures. In her free time she loves spending time with her family and rescue animals, exploring nature, and reading literature. She holds a BA in International Studies and German and an MA in Public and International Affairs from Virginia Tech.

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Violetta Khlystun

Director of Customer Service and Technology

Violetta is a manager with more than 6 years of experience in support and communications field. She likes to help people and always do her best to make students and volunteers happy. She likes ENGin because here you can meet a lot of great people from all over the world. It's a great opportunity to know more about different cultures and help Ukrainians to improve their English level.

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Erin Hogan

Volunteer Recruitment Manager

Erin is a nonprofit professional with a passion for motivating volunteers to support social good. She has Bachelor’s degrees in International Affairs and Women’s Studies from the University of Georgia, and strongly believes in the power of international collaboration for a better world. She is excited to support ENGin in connecting volunteers from around the globe to support a prosperous future for Ukraine. In her free time, Erin finds joy in pursuing new artistic hobbies, keeping up with new television shows, and spending time with her cat, Tallulah.

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Yana Voloshyna

Volunteer Support Specialist

Yana is passionate about promoting human rights and helping vulnerable people. Five years she worked in international organizations, such as UNHCR and IRC and have two years of practical experience as an administrative attache, working at the Honorary Consulate of the Republic of Cyprus. Yana personally attended hundreds of interviews with asylum seekers at Odesa Migration Agency and drafted dozens of recommendations on individual cases. She is not afraid of any challenges as how Jane Austen had previously said, my power only rises at every attempt to intimidate me. She have a cute pug Ponchik and can't imagine her life without traveling.

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April Rossetti

Volunteer Outreach Associate

April has experience coordinating grants and nonprofit programs, in addition to a background as a lead educator in diverse educational settings. She is deeply committed to seeking justice and equity for marginalized communities. At ENGin, April’s focus is on volunteer outreach and recruitment - helping to scale ENGin’s volunteer base within the US and worldwide, as well as supporting volunteers in the program. Outside of her professional endeavors, April volunteers at an animal shelter and finds joy in trail running, hiking, biking, and immersing herself in captivating books. She holds a Bachelor's degree in Early Childhood Education and American Studies from Salem State University.

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Tetiana Krotova

Student and volunteer support agent

Tetiana is passionate about solving the problems of the Ukrainian education system. She is the author of four research papers and is also developing a mobile application that will help Ukrainian refugees enroll in universities abroad. Tatiana believes that the development of modern society is impossible without intercultural dialogue and knowledge of the English language.


Yana Lagoda

Social Media Volunteer

Having studied English on her own, Yana understands all the challenges one might face as a beginning English learner. She is excited to grow the ENGin community through social media to help others on this journey.


Maryna Petushenko


Maryna has connection with English during her whole life.

She has been learning it since kindergarten and has always dreamt to be a translator. Maryna studied technical translation as her Major at university, but now she is successfully involved into English tutoring for 7 years.

She is passionate about traveling and taking up different courses to develop her professional skills. She knows how challenging it can be to learn a new foreign language that is why she shares ENGin mission  - help Ukrainians to be matched with English speaking world.

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Maks Stepanenko


Maks is a Backend Developer. He also recieves a bachelor's degree in DNU. He focuses on swiftly and effectively resolving software development challenges. Maks holds the belief that acquiring proficiency in new languages expands one's horizons. Consequently, he is enthusiastic about supporting and developing the ENGin platform to make learning English for students as comfortable as possible.

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Ava See

Interviewer (Volunteer)

Ava is passionate about books and history, especially Eastern European history. She thinks that people in the West believe that all of Eastern Europe is Russian and that’s not true. She would like to bring more visibility to other Slavic and non-Slavic peoples in Eastern Europe - whether those people are Ukrainians, Romanians, Albanians, Hungarians, Turkic people, Roma, Caucasians, and many more groups of people in the East. Ava is incredibly thankful to ENGin for pairing her up with the best students who have given her amazing insight into Ukraine. When she is not volunteering for ENGin Ava enjoys walking for miles, reading books, doing fire performances for parties, and listening to Sofia Rotaru or Pavlo Zibrov.


Taya Zhernosiekova

Director of Onboarding and Ukraine Internal Operations

Taya is passionate about organizing social projects on various topics and working with volunteers in NGOs. Also, conducting thought-provoking English speaking clubs gives her much pleasure. Activities dedicated to improving socially vulnerable groups' lives strike a chord with her. She is dreaming to learn social psychology one day. Taya truly believes in empathy and people's open curious mind. And she can't live without communication with people, long walks and dancing.

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Liubov Voitovych

Director of Student Recruitment and Experience

Liubov holds a Bachelor's degree in Journalism and has five years of experience in communication. She mainly works with educational non-profit projects promoting equal educational opportunities for everyone. In addition to working at ENGin, Liubov is involved in mentoring students, teaching communication skills, and organizing academic events, with a focus on philosophy, politics, and economics.

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Oleksandra Vasylkivska

Student Marketing Associate/Community Manager

Oleksandra is a linguist and translator, she opens the English-speaking world to Ukrainians during her online classes. In love with travel, she has already visited about 14 countries, where the most valuable treasure for her is people who transmit culture and traditions throughout their lives. She collects postcards and captures memories on tape. Hiking, skiing, painting, creativity - it's all about her. In ENGin, Oleksandra renews and moderates a community for you to BELONG with your people  - it's like a rainbow after the rain.

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Tetiana Fomenko

Customer Support Agent & Interviewer

Tetiana has been involved into customer support in different fields for more than 5 years. She has been into learning English since childhood so she does remember the way and possible difficulties a person may face during it. And now she is eager to help Ukrainians as much as possible during their English language mastery, to be that helpful bridge in-between ENGin, students and volunteers. In addition, Tetiana believes that education is one of the most important keys to the intelligent and developed society, as our youth will be leading the country further. So at this point intercultural exchange will be extremely useful. Mostly her free time is dedicated to hiking and reading literature, as well as doing some sports.

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Nastya Nesterova


Nastya is a Fronted Developer and UI/UX Designer.  She receives a bachelor's degree in KNU.  Anastasia is confident in herself, her abilities and professional qualities.  She’s convinced that English is a basic skill for a successful career, so she is glad to work at this project, which helps Ukrainian children to get a future. Also Nastya hopes to bring some fresh ideas to make the project better of the best.

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Ilona Misko

Interviewer / Operations associate

Ilona is fond of studying history, foreign languages and psychology. She is sure that with the help of quality education, we can change the world for the better. She is also convinced of the importance of human communication and relationships for building a prosperous society.

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Karolina Kovtun

Operations Associate

Karolina, with over 5 years' experience in Ukrainian and Turkish tourism, has honed her skills in communication, problem-solving, and leadership.

She speaks English fluently and has intermediate proficiency in Turkish. Having lived in Turkey for three years, she understands the challenges of adjusting to a new country and is dedicated to helping Ukrainians integrate smoothly.

As an Operations Associate at ENGin, she's driven by her passion for intercultural exchange and education's transformative power. Her experiences abroad highlighted the importance of language skills for integration, motivating her to assist fellow Ukrainians in language mastery. Karolina sees herself as a supportive bridge between ENGin, students, and volunteers.

Outside work, she enjoys video games; walking; delving into IT development, having qualified in frontend tech stack; and is also a car geek.

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Nadiia Tkach

Student Orientation Trainer

Nadiia has 10+ years of experience in marketing, communications and organizing events of various levels of complexity, from international exhibitions to local trainings. Nadiia is convinced that development is a continuous process and it is never too late to learn. In the ENGin team, Nadiia helps to optimize the process of connecting and adapting new students to the program. And also in her free time, Nadiia introduces foreigners to Ukrainian traditions and culture, helps improve their conversational Ukrainian language skills.

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Nataly Trubchaninova

Students and Volunteers Support Agent

Natalya, having extensive customer support experience, strives to help Ukrainians have the opportunity to develop and learn English, drawing on experience from her life journey with the language. She is eager to help people overcome the barrier of speaking.

Her goal is to support ENGin, students and volunteers by helping Ukrainians learn the language.

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Lena Rukkas

Operations Associate

Here is the description for the website: Lena is an enthusiastic Economics and Education researcher with a previous background in data analysis, admissions, teaching, and interviewing.

In her free time, Lena loves running, playing chess, and learning languages. As a former ENGin student and volunteer, Lena joined the team as an Interviewer and Operations Associate to ensure easier and improved access to ENGin experience.


Margarita Kutsa

Chief Program Officer

Since childhood, Margarita dreamed of traveling a lot, which motivated her to learn English, and, in fact, it's great when the passion grows into a desire to pursue a career in foreign languages. As part of the Erasmus + international mobility program studied at the University of Córdoba (Spain). Rita is convinced that this experience has helped not only to improve English and Spanish language skills, but also to develop soft skills and cultural integration. Rita is passionate about helping Ukrainians to improve their English skills.


Jess Beutler

Director of Volunteering

Jess is a geographer and nonprofit program leader with diverse experience in leading participatory action and volunteer initiatives around the globe. She is passionate about the “power of the crowd” and the positive impact that individuals can make as global citizens through virtual volunteering. For over 10 years, Jess has led volunteer-powered programs and community initiatives centered on urban resilience, disaster response, and citizen empowerment across sub-Saharan Africa, Southeast Asia, and North America. Jess is currently studying for a Master’s in Organizational Change Leadership, focusing on scaling volunteer & grassroots movements.


Liza Sadurska

Communications Lead

Lisa is a publisher and content producer by education, but her professional vector at ENGin is currently graphic design. She discovered the program as a student almost from its inception and is happy to be now part of a team that makes free language education possible for children and youth through international communication. In addition, Lisa actively volunteers in the artistic direction, teaching choreographic and theatrical art to schoolchildren, because she believes that creativity and practical-oriented communication among teenagers are the basis of their future path as successful and happy members of society.


Gulnaz Madadli

Student & Volunteer Support / Operations associate

Gulnaz is studying for a Master's degree in Intercultural Communication in Education and the Workplace in Poland. She has a bachelor's degree in philology and a master's in the methodology of teaching. She believes that learning new languages broadens one's horizons. Therefore, she is excited to help students to use ENGin and improve their English.


Nicole Viloria

Volunteer Trainer

Nicole started learning English at a young age in Venezuela. Since she moved to the US, she has made it her goal to help others struggling with learning the language through her skills and enthusiasm. As a lover of languages, writing, and reading, she wishes to translate and write novels of her own. She is majoring in English Literature at The Honors College at Miami Dade College, aiming to minor in Creative Writing. Wanting to help others learn English, Nicole joined ENGin as a volunteer in October of 2021 and hopes to not only help her student but also encourage new volunteers to do so as well!

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Varvara Borysovska

Database Coordinator / Operations associate

Varya studied Arts Journalism at Taras Shevchenko National University of Kyiv, but lately she has realized that working with data and analyzing it is her calling. In her opinion, structured data, especially if it’s easy to understand, benefit more than long articles, which might not be informative. But, in addition to understandable submission and structure, it’s vital for data, above all, to be accurate. And Varya does it in ENGin — she manages the database of students and volunteers, ensuring their quick and precise onboarding. Also, Varya is an ENGin student herself, and her work here contributes to her wish to help the same students as she is — those, who can’t afford to take usually quite expensive classes at the best speaking clubs or schools, and those, who feel themselves more comfortable taking one-to-one courses. To contribute to professional and personal growth through the acquisition of a high level of the English language is an essential mission for her.

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Michael Feehan

Interviewer (Volunteer)

Mike is co-owner of an academic tutoring business. He has prior career experience as an international commercial lawyer, a business executive, and a teacher at the law school, college, and high school levels.

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Karen Goldman 

Interviewer (Volunteer)

Karen has a Master's Degree in Education and a TEFL Certification.  She is passionate about working with children and adults in informal nonprofit educational settings, such as museums, schools, and social service agencies.

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Denis Chuvylov

Operations Associate

As an Operations Associate at ENGin, Denys is dedicated to ensuring everything runs smoothly while also being a helping hand to others. He has a strong passion for learning English and is always seeking ways to improve his language skills. With a knack for creativity, Denys brings fresh ideas to the table and enjoys collaborating with the team. Balancing his role as a student within the company and a valued team member, he is committed to continuous growth and success. Outside of work, Denys finds joy in the company of his cat, Venya, who brings warmth and companionship to his life.

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Linda Witt

Interviewer (Volunteer)

Linda has worked for 20 years in leadership roles in management, communications, marketing, and development for large independent nonprofit language schools on the U.S. West Coast. She also traveled the world for her work in the high-tech industry. Linda currently serves on three nonprofit boards in the fields of education and commerce. Fluent in French and German, Linda enjoys ENGin’s focus on language and the organization’s reach into communities across the world in service of its important mission.

Volunteer Community Leaders

April Rossetti (Reddit)
Lisa DeHaven (Discord)
Olga Porterfield (Facebook)
Vicky Kerr (Facebook)
Sanika Saraf (HS Discord Chat)
Shanti Fukasaku (Facebook)
Keith Marshall (Telegram)
Georgiana Zhang (HS Telegram Chat)


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