Academy Educators & Staff

The National History Academy’s team is comprised of leaders in education and history.


William W. Sellers

President and CEO, National History Academy

William Sellers - National History AcademyWilliam W. Sellers serves as the President of National History Academy and the Journey Through Hallowed Ground National Heritage Area.  He has deep experience in education.  From 2008 to 2013, he served as President of Wentworth Military Academy and College in Lexington, MO, founded in 1880. Sellers received a Bachelor of Arts degree in American History from Harvard University, where he studied under David Herbert Donald and Bernard Bailyn, and a law degree from the University of Missouri. Sellers has served in leadership roles in a broad range of organizations. Among other positions, he has served as President of the Association of Military Colleges and Schools of the United States; on the Presidential Advisory Committee to Missouri’s Coordinating Board of Higher Education; on the Board of Trustees of the State Historical Society of Missouri; and on the Board of Directors of the Harvard Alumni Association. Sellers has spent the last two years building the National History Academy into the preeminent summer history program in the country.

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Michelle Burrelli

Chief Operating Officer, National History Academy

Michelle Burrelli is the Chief Operating Officer of the National History Academy and the Journey Through Hallowed Ground National Heritage Area. Michelle holds a B.A. in Art History from the University of Illinois and a Master’s degree in Museum and Gallery Studies from the University of St Andrews. She has been with The Journey since 2010 and has built relationships with partner historic sites as the Director of Regional and Strategic Partnerships, managed the National Heritage Area program as the Director of the National Heritage Area, and, now as COO, manages all daily operations for the organization. Michelle has been involved in the development and implementation of many educational, tourism and preservation/conservation initiatives, and is excited to play a major role in creating the National History Academy.

Master Teachers

Charlotte Green

Master Teacher

Charlotte Green is a history teacher and experiential learning coordinator at Miss Hall’s School in Pittsfield, Massachusetts. Charlotte has taught a range of courses in the department since 2016, including World History, Ancient Egyptian History, Cultural Anthropology, Bioarchaeology, Philosophy, and AP Human Geography. Charlotte came to Miss Hall’s from Island Academy International School in Antigua, where she had taught history and International Baccalaureate (IB) courses since 2013. She also previously served as a Teaching Assistant in the Elwin Sykes Teaching Assistant Program at Phillips Andover Academy in Andover, Massachusetts, and as a Teaching Fellow at Yale University after completing her Master’s degree at Yale. Charlotte has a B.A. in Anthropology & History from Muhlenberg College and holds an M.A. in Archaeological Studies from Yale. Her passions include the study of culture, government and politics, and archaeology.

Stephanie Lawrence

Master Teacher

Stephanie has been teaching International Baccalaureate History at Clarke County High School, located in Berryville, Virginia, for over ten years.  In 2013 she completed her Masters of Education in Curriculum and Instruction with a concentration in American History through the Teaching American History grant program, Building Bridges: Connecting Citizenship through American History.  The Building Bridges consortium was a partnership involving James Madison University, Shepherd University, and several counties in the Northern Shenandoah Valley.  Much of the program focused on site-based learning; taking the participants to several historical sites throughout the region and incorporating those experiences into pedagogical practice.  Stephanie is also a Level 2 Google Certified Educator and enjoys incorporating technology into student-centered instruction.  In her free time, Stephanie loves to spend time with her family and go on hikes in the Shenandoah Valley.

Brittany Moore

Master Teacher

Brittany Moore is an American History teacher at Fleming Island High School outside of Jacksonville, Florida.  She graduated cumme laude from the University of North Florida with her Bachelor of Arts in History and a minor in Professional Education. She has focused on expanding and deepening her knowledge base over the past 8 years through her teaching of Advanced Placement US History and through her participation in the Teaching American History Grant.  She has also lent her experience to Duval County by participating in the writing of both the county’s United States History curriculum as well as the assessments in United States History. Her expertise and passion for history paved the way for her to become an Advanced Placement Reader and Table Leader for College Board for the past four years.  She has continued to grow professionally and academically through her position as a consultant for the Florida Partnership with College Board for the past three years, which assists in facilitating teacher training and collaboration across the state.

John Scharfenberg

Master Teacher

John Scharfenberg is in his sixth year as a teacher at the Foxcroft School in Middleburg, Virginia.  He teaches AP U.S. History, U.S. History, Modern World History, and several electives including American Government and Politics and 20th Century Revolutions. For two years, Scharfenberg headed an experiential, place-based Winter Mission course entitled “Travels through the Civil War.”  He has also led class trips to Williamsburg, Jamestown, and Mount Vernon.  In 2012, he was a participant in the National Endowment for the Humanities program, “At the Crossroads of Revolution:  Lexington and Concord in 1775.”  Prior to returning to teaching full-time in 2007, Scharfenberg held a variety of positions in the public and private sector, ranging from Senior Professional Staff on the Banking Committee of the U.S. House of Representatives, to vice president of a political publishing company, to Federal contractor working for the Department of Homeland Security. Scharfenberg is a graduate of Middlebury College and Tulane University.

Katlyn Smolar

Master Teacher

Katie Smolar is a social studies teacher from Indiana. She graduated from Purdue University West Lafayette where she studied Social Studies Education, Spanish, and Global Studies. She is currently attending Purdue Northwest working on her M.A. in History, specializing in United States History. Her career has focused on studying and teaching history through different perspectives by experiencing different cultures and the diverse ways students learn and educators teach around the world. She has taught in Francisco Morazán, Honduras, Saint Petersburg, Russia, and Madrid, Spain where she focused on site-based learning and gained TEFL certification. She is currently teaching at Donald E. Gavit High School in Hammond, Indiana where she uses her experiences to teach Advanced Placement US History. She has also taught English as a Foreign Language, Spanish and Latin American History, US History, World Civilizations, and Economics to a wide range of students varying from preschoolers to adults.

Strategic Advisors

Dr. Richard B. Dressner

President, Capital Development

Dr. Richard B. Dressner is President of Capital Development, a consulting firm offering capital campaign counsel to museums, historic sites and patriotic organizations. He earned his B.A. from The George Washington University where he was elected to Phi Beta Kappa and his Ph.D. in American Intellectual History from Cornell University. Dr. Dressner has been a faculty member at Colgate University, Hiram College, and three campuses of the State University of New York.  He taught courses in American cultural, social and intellectual history.  As Historian in Residence at American University, he taught a graduate course in administration and interpretation of historic sites. He also served as Associate Vice President for Advancement at the State University of New York at Albany, and Vice President for College Advancement at the SUNY campuses at Buffalo and Geneseo. Dr. Dressner was the Associate Director of George Washington’s Mount Vernon where he helped plan and design a new visitor orientation facility, education center and museum. He led Mount Vernon’s capital campaign which raised $120 million from foundations, corporations and individuals.

Dr. Brent D. Glass

Director Emeritus, Smithsonian National Museum of American History

Brent D. Glass is Director Emeritus of the Smithsonian’s National Museum of American History, the world’s largest museum devoted to telling the story of America. A national leader in the preservation, interpretation, and promotion of history, Glass is a public historian who pioneered influential oral history and material culture studies, an author, television presence and international speaker on cultural diplomacy and museum management.

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