About the FoundationAbout the Foundation

Apple FCU Education Foundation
Board of Directors

Calanthia Tucker

Calanthia Tucker, President

Calanthia Tucker is a lifetime educator who completed her career in Fairfax County Public schools as a cluster superintendent earning the Point of Excellence award for superintendent leadership from Kappa Delta Pi fraternity (George Mason University) in 2006. Additional professional honors include being named FCPS Principal of the Year (1996), NAACP Education Award (1997) and the Northern Virginia Urban League, E.L. Patterson Community Service Award. At Mount Vernon High School, where Dr. Tucker served as principal, the media center is now named in her honor.

Receiving her doctorate in school administration from Vanderbilt University, Dr. Tucker also holds an M.S from Virginia Tech and a B.S. from Tennessee State.

Robert Sowell

Robert L. Sowell, Sr., Vice President, Secretary

Robert L. Sowell, Sr. has worked for the members of Apple FCU for over 20 years. Starting his career as a mortgage coordinator, he moved to become a branch manager and is now the Vice-President of Community Relations. An active member of the northern Virginia community, Mr. Sowell is sergeant of arms for the Fairfax Rotary Club, a member for the George Mason University advisory board, and a member of the Northern Virginia Community College marketing department advisory board.

Mr. Sowell holds a B.A. from George Mason University.

R.C. Bosley

R.C. Bosley, Treasurer

R.C. Bosley spent the first five years of his career in Fairfax County Public Schools as a math teacher at Whittier Intermediate (now Falls Church High School). From there, he served in many leadership positions in district offices and schools. He was principal at Ft. Hunt Elementary and Kilmer, Franklin and Thoreau middle schools. He was a coordinator of instruction and area administrator. Following his retirement in 1989, Mr. Bosley was interim principal at two high schools, two middle schools and three elementary schools.

Mr. Bosley holds a B.S. degree from Abilene Christian University (Texas) and a M.Ed. from the University of Virginia. He completed postgraduate work at the University of Virginia, American University, College of William & Mary, Radford University, Vanderbilt University, George Washington University and George Mason University.

 Steven F. Sengstack

Steven F. Sengstack, Executive Director

Steve Sengstack was a teacher, counselor and administrator in Fairfax County Public Schools for 37 years. During his career he worked at Lake Braddock Secondary School , Robert E. Lee High School and Annandale High School. He served as an English teacher, a head fooball coach, a school counselor and a director of student services. Mr Sengstack now works at George Mason University as a supervisor to English teacher interns. He holds a B.A. from Emory & Henry College and a M.Ed. from George Mason University.

Carolyn M. Custard

Carolyn M. Custard, Director

Carolyn M. Custard believes that learning should be a lifelong experience. She is dedicated and committed to making a positive difference in the lives of young people and in supporting the community. She has served as an assistant principal of Forest Park High School for three years and as principal of C. D. Hylton High School for eight years. She currently serves as the director of the Office of Student Services at the Kelly Leadership Center. In 2008, Mrs. Custard was selected as the Outstanding High School Principal of the Year for the State of Virginia by the Virginia Association of Secondary School Principals (VASSP), where she ranked 3rd in the Nation. Mrs. Custard holds a Bachelor of Science degree in Intermediate Education, a Master of Education degree in Guidance and Counseling, and a Master of Education degree in Educational Administration and Supervision.

Mark Karangelen

Mark Karangelen, Director

Mark Karangelen joined the Education Foundation Board in 2010. Before coming to Apple FCU in 2008, he worked for a smaller credit union in Alexandria, NARFE Premier. Mark looks forward to the opportunity to serve on the board and making a difference in the Foundation, the credit union and the community.

Larry Larsen

Larry Larsen, Director

Larry Larsen is the Director of Cyber Security at Apple Federal Credit Union, and is a former cyber security contractor for the U.S. Government with over 20 years of experience in areas ranging from forensics to counterintelligence. He has received numerous awards and commendations for his work in these areas, and is a published author on cyber security matters.

He has been a consultant for criminal, civil, and national security investigations, providing advice and technical support on cases involving the illicit use of computer systems by individual and state-sponsored threat actors, and has testified as an expert witness on computer forensics in both local and Federal courts.

Larry Larsen

Vincent J. Randazzo, Director

Vincent Randazzo is a retired Fairfax County Police Detective. Following his career as a detective, computer crime analyst, investigator, undercover tactical officer and patrol office, he returned to the classroom to obtain certification in teaching and school administration.

He received a masters and doctoral degrees in education from Virginia Tech. Mr. Randazzo was an English teacher, football coach and administrator in Fairfax County Public Schools.

Erin Vergara

Erin Vergara, Director

Erin Vergara is the Assistant Manager of Member Engagement and has been with Apple FCU since 2007 when she started as a Part Time Member Service Representative at the George Mason University Branch. Throughout her tenure here at Apple FCU Erin has overseen the operations of Appleā€™s Student Run Credit Union Program for more than 8 years. She has her B.A. in History from George Mason University. In her spare time she enjoys spending time with her family and friends.

Linda Whitfield

Linda Whitfield, Director

Linda Whitfield has spent most of her professional career serving in various capacities as a school administrator. Most recently she was the principal at George Washington Middle School in Alexandria, Va. Prior to that she was the director of middle school instruction in Fairfax County Public Schools. Ms. Whitfield served as principal at Sandburg Middle School (1988-1994) where she implemented Middle School Concept emphasizing an interdisciplinary instruction through teaming. She holds a B.S. and a M.Ed. from the University of Georgia with postgraduate course work at Virginia Tech.


Apple FCU Education Foundation | 4097 Monument Corner Drive | Fairfax, VA 22030 | 501(c)(3) tax-exempt organization | Federal Tax ID: 20-5308299