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Our Team
Our Advisory Board
This experienced group of professionals have come together to support X-Time’s mission and serve as trusted advisers.
Our Advisory Board
This experienced group of professionals have come together to support X-Time’s mission and serve as trusted advisers.
Rick Brooks
Rick Brooks, was co-founder (now retired) of the Little Free Library movement, statewide and citywide newspapers by and for youth, and an outreach program developer with the University of Wisconsin-Madison for 25 years. He is now manager of Midwest Partners in Princeton, Illinois, a nonprofit which runs social enterprises ranging from a bike shop to civic education programs. He has been chair of the board of the Wisconsin Positive Youth Development Initiative as well as health education instructor in grades K-12, undergraduate, graduate and professional education in the U.S. and abroad.
Eileen Chen
Eileen Chen, a native Mandarin Chinese speaker, is a highly esteemed K-12 Certified Chinese Language Teacher with dual certifications in Illinois and Colorado, complemented by a TESOL certification from the University of California, Irvine. With a diverse educational background, including a B.A. from Tamkang University in Taiwan, an M.S. in TESOL from Nazareth University in Rochester, NY, and advanced degrees from the University of Illinois and the University of Northern Colorado, Mrs. Chen brings a wealth of knowledge to her role.
Mrs. Chen's illustrious teaching career spans various schools in California, New York, and Illinois, where she taught Chinese and English as a foreign language in Taiwan. Recognized for her outstanding teaching methods, she has received two teaching awards from the Taipei Economic and Cultural Office. Beyond the classroom, Mrs. Chen is dedicated to fostering global perspectives. She organizes and leads international study tours, offering students valuable cross-cultural experiences, and plays a pivotal role in establishing and nurturing sister school relationships, promoting educational exchange programs and cultural understanding. Actively engaged in professional development, Mrs. Chen's commitment to education, cross-cultural engagement, and personal growth make her a valuable asset. In her leisure time, she volunteers, enjoys travel, practices yoga, studies Japanese, and explores international recipes.
Karle Flanagan
Dr. Karle Flanagan is a Teaching Associate Professor at the University of Illinois at Urbana-Champaign. She has taught introductory statistics and data science to over 30,000 students at UIUC over the past ten years. She has been honored to receive multiple teaching awards at both the department and college level including the Illinois Student Government’s Teaching Excellence Award, the Campus Award for Excellence in Undergraduate Teaching, and the Department of Statistics Teaching Excellence Award. She also serves as the Director of Inclusive Data Science Education for the College of Liberal Arts and Sciences. Her research interests include design based research, online education, and the teaching and learning of statistics and data science.
Our Advisory Board
This experienced group of professionals have come together to support X-Time’s mission and serve as trusted advisers.
Noah Isserman
Noah Isserman is a professor, strategist, and entrepreneur focused on the financing and future of social goods. An award-winning researcher and educator, he builds systems that unearth and explore problems—and address them through entrepreneurial action. As a strategist, he works with organizations on the same questions. Noah has worked with hundreds of startups, companies, nonprofits, and government organizations on mission and messaging—this work is generally at the board level, and has taken place on six continents. As an entrepreneur and CEO, Noah has helped build and sell two profitable enterprises, WholeData LLC (acquired by the Upjohn Institute) and MAStorage, Inc, both of which deliberately generated social as well as commercial value.
He has supported entrepreneurship and changemaking from several advisory boards and expert groups, including the Council of LAUNCH (an initiative of USAID, Nike, the US State Department, and NASA), the European Venture Philanthropy Association, the founding leadership team of the Community Solutions Incubator, and ventures including Loop Health, MakerGirl, and Dyad. His work and research has been funded by the US State Department, VentureWell, numerous foundations and firms, and many fellowships and awards.
Angie Hatfield Marker
Angie Hatfield Marker is President of the Community Foundation of East Central Illinois and oversees the development, grant-making, expansion and leadership activities of the organization. Born in Danville and raised in Champaign, Angie is a proud graduate of Centennial High School. She holds a Bachelor of Arts degree in Speech Communication from the University of Illinois at Urbana-Champaign. She graduated with honors with her Master’s Degree in Nonprofit Management in 2020. Angie has more than 20 years of sales, marketing and development experience. She is the Board Chair of the Association of Fundraising Professionals of East Central Illinois and serves as a member of the Board of Directors for the Alliance of Illinois Community Foundations. She is a former member of the Urbana Business Association Board and Crisis Nursery Board. Outside of work, her interests are many and varied. She enjoys cooking (and eating!), gardening, reading, traveling and spending time with her family and friends. Angie and her husband, Dan, live in Champaign with their sons, Johnny (11) and Dean (10).
Our Management Team
Sophia Libman
President and Founder
Sophia Libman is a college freshman at the University of Illinois who founded X-Time during COVID and has been expanding it for students around the globe.
Hannah Libman
Vice President
Hannah Libman is a high school sophomore in Champaign, Illinois. Hannah has co-founded and leads an X-Time Club at Central High School and serves on the X-Time summer camp leadership team.
Bobby Miller
University Club Director
Bobby Miller is a college freshman at Washington University in St. Louis. Bobby co-founded an X-Time Club in high school and is excited to bring X-Time Clubs to college campuses.
Hadley Siena
International Relations Director
Hadley Siena is a college freshman at the University of Illinois. Hadley oversees X-Time’s efforts to increase its global reach, drawing upon her international connections from her time abroad.
Jack Braun
STEAM Coordinator
Jack Braun is a high school senior in Champaign, Illinois. Jack has founded and leads an X-Time Club at Academy High. He helps develop the STEAM curriculum for X-Time Clubs around the globe.
Neela Gilbert
Website Design Director
Neela Gilbert is a junior at the University of Illinois Urbana-Champaign. Neela serves as X-Time’s Head of Website Design.
Sorin Popescu
Director of Development
Sorin Popescu is a high school junior in Champaign, Illinois. He's an engaged member of Academy High's X-Time Club and oversees X-Time's global fundraising efforts.
Jamari Story
Communications Director
Jamari Story is a college freshman at Morehouse. Jamari serves as X-Time’s Communications Director, which includes writing monthly newsletters to connect all X-Time Clubs.
Our Club Leaders
Jack Braun
Academy High School
Jack Braun is a high school junior in Champaign, Illinois. Jack has founded and leads an X-Time Club at Academy High.
Baraka Culpepper
Urbana High School
Baraka Culpepper is a high school senior in Urbana, Illinois. Baraka has founded and leads an X-Time Club at Urbana High School.
Eleanor Kraatz
Uni High School
Eleanor Kraatz is a high school senior in Champaign, Illinois. Eleanor has co-founded and co-leads an X-Time Club at Uni High School.
Hannah Libman
Central High School
Hannah Libman is a high school freshman in Champaign, Illinois. Hannah has co-founded and co-leads an X-Time Club at Central High School, and she serves on the X-Time summer camp leadership team.
Bobby Miller
Central High School
Bobby Miller is a high school senior in Champaign, Illinois. Bobby has co-founded an X-Time Club at Central High School, and he serves on the X-Time camp leadership team.
Janaki Rajamannar-Underhill
Centennial High School
Janaki Rajamannar-Underhill is a high school sophomore in Champaign, Illinois. Janaki has founded and leads an X-Time Club at Centennial High School.
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Zoe Biles
Hilton Head Prep School
Zoe Biles is a high school freshman in Hilton Head, South Carolina. Zoe has founded and leads an X-Time Club at Hilton Head Preparatory School.
Tessa Waldhoff
Uni High School
Tessa Waldhoff is a high school senior in Champaign, Illinois. Tessa has co-founded and co-leads an X-Time Club at Uni High School.
Our Summer Camp Leaders
Aditi Adve
Summer Camp Leader
Aditi Adve is a freshman at Northwestern University in Evanston, Illinois. Aditi serves on the X-Time summer camp leadership team.
Suhani Garg
Summer Camp Leader
Suhani Garg is a senior in Champaign, Illinois. Suhani serves on the X-Time summer camp leadership team.
Max Libman
Summer Camp Leader
Max Libman is a high school senior in Champaign, Illinois. Max serves on the X-Time summer camp leadership team.
Clara Wood
Summer Camp Leader
Clara Wood is a freshman at Northwestern University in Evanston, Illinois. Clara serves on the X-Time summer camp leadership team.