Who We Are

John Buck

John Buck, MA

John is the first person, not native to the Netherlands, to be certified in the circle-organization method called Dynamic Community Governance (also known as "sociocracy"). Certified by The Sociocracy Group, an international organization, John introduces Dynamic Community Governance to a wide range of businesses and organizations, assisting them in designing work and making group decisions effectively by “rewiring” their basic power structure. Since meeting Aileen Kroll in 2013, John has become an honorary Greenbelter. He spends a lot of time in Greenbelt, inspired by the number of community groups committed to social change. As such, Greenbelt is a prime location to implement and integrate dynamic community governance. John has an MA from George Washington University in quantitative sociology and is coauthor of We the People: Consenting to a Deeper Democracy. A second book, Company-wide Agility with Beyond Budgeting, Open Space, and Sociocracy is 90% complete and available on LeanPub.com. John is Aileen is co-founder and co-director of Greenbelt-based Center for Dynamic Community Governance, a 501(c)3 since 2015. 

Aileen Kroll

Aileen Kroll, JD

Aileen has worked as an arbitrator, mediator, social worker, lawyer, legislative advocate, and recurring guest lecturer on patients’ rights for George Mason University School of Law.  Aileen is inspired by Greenbelt’s cooperative history and on-going passion for social justice and community engagement. She has been training on dynamic community governance since 2014 and is thrilled to share this empowering process. Aileen is co-founder and co-director of Greenbelt-based Center for Dynamic Community Governance, a 501(c)3 since 2015.


Monika Megyesi

Monika Megyesi, MA

Monika brings to CDCG a background in entrepreneurship and business development. She specializes in organizational governance, group decision-making, corporate policy creation, knowledge management and feedback integration. Monika develops self-organizing systems and provides leadership development, strategic communication, dispute mediation, meeting facilitation, inclusive decision-making and creative problem solving services. She has a bachelor’s degree in Business Administration from the University of Maryland and a master’s degree in Negotiations and Conflict Management from the University of Baltimore. A native of Hungary, Monika lived on three different continents and is fluent in multiple languages. She supports CDCG as a senior consultant.

Angeline Butler

Angeline Butler, MS

A resident of Greenbriar for more than thirty years, Angeline has been involved in community-oriented endeavors and activities such as organizing and administering the Phase III garden plots and member of the Phase III board of directors.  She enjoys inspiring community by helping people work together to enhance their lives. She strongly supports Dynamic Community Governance (DCG) because it ensures that everyone is heard and respected and is unlike any other approach she’s encountered.  She has taught middle school science in Prince George’s County and has been a systems programmer at Goddard Space Flight Center. Angeline has a BA in biology and a MA in Environmental Sciences and Policy. She also enjoys gardening and being in nature and was a board member for the  Western Shores Conservancy that cares for Beltwoods and has volunteered at the National Zoo. She serves on the CDCG board of directors.

Dr. Murat Aitkin

Murat Aytekin, Ph.D

Murat Aytekin earned a Ph.D in neuroscience and cognitive sciences while researching  started his career as an electronics and telecommunication engineer with an interest in machine learning. He fell in love with biology, as an inspiration for engineering, and earned  a  while researching active perception. As a researcher, he studied bat echolocation, as well as human visual perception. Murat enjoyed designing and building experimental interfaces for sound and motion tracking, while pursuing a deeper understanding of artificial intelligence and its implications. His newest venture involves working as a data scientist leading teams of various sizes on multiple data science projects. Murat is also a certified Agile Scrum Master, trained community mediator and a musician playing baglama and kemane, two Turkish folk instruments. He serves on the CDCG board of directors.


Rev. Dr. Doris T. McGuffey

Rev. Dr. Doris T. McGuffey, Board Member Emeritus

Dr. Doris is founder and chief executive officer of Dimensional Transformational Worldwide (DTW), an interfaith ministry. Its  mission is to support citizens of the world with learning to peacefully live together on planet earth.  Her expertise includes supervisory training, employee performance, recruitment and selection, employee training and development, and managing adverse actions.  As an Interfaith Minister, Doris has extensive experience establishing interfaith programs, speaking and facilitating workshops on Life Change Management, Meditation and Prayer Practice, and Spiritual leadership Development, and as an Officiant of Ceremonies and Rituals. She was awarded International Public Management Association Honorary Life Membership for her contributions to the field of Public Personnel Management.  She also received the State of Maryland Governor's Citation for providing outstanding services to citizens and residents of the State of Maryland. Dr. Doris has extensive international travel experience, including professional trips to the Soviet Union, West Africa and South Africa, Cuba, and South Korea.

Gwen Vaccaro

Gwen Vaccaro, Board Member Emeritus

Gwen is a Greenbelt business owner/operator since 1995. She has served as chairperson of the Roosevelt Center Merchant Association and a board member of the Greenbelt Community Development Corporation. With the GCDC she helped created Friends of the Old Greenbelt Theatre (FOGT), a 501(C)3 that transformed an aging theater into a locally focused and community operated resource. Upon assuming the Chairperson role of FOGT, Gwen sought out ways to shore up her operational skills and took a Center for Dynamic Community Governance (CDCG) class. Eager to share these learnings, Gwen organized a series of CDCG sessions for theatre board members, staff volunteers. Gwen also serves on the Church Council for the Greenbelt Community Church, which has provided in-kind support for CDCG. A recognized and respected member of the Greenbelt community, Gwen seeks to further the reach of Dynamic Community Governance teachings in Greenbelt and beyond.


Forrist Lytehaause

Forrist Lytehaause, Board Member Emeritis

Forrist  is a writer, speaker, trainer and consultant in the area of marketing system development. He enjoys developing small businesses from startup to profitable. He brings valuable business expertise to the board through his ability to see both the “big picture” and the details. Working through complex situations, he produces clear strategic pathways, and guides the implementation of strategies that enable organizations to prosper.  His research into organizational effectiveness brought him to Dynamic Community Governance, and he is excited by its potential and ongoing successes throughout the world.