Board of Directors

From our Staff to our Board of Directors, Big Brothers Big Sisters has a compassionate and dedicated group of individuals on our side that are willing to do whatever it takes to help change children’s lives for the better.


Adam Watson


Adam Watson is a shareholder at Watson & Associates, PA, CPAs. He has been in public practice for over 15 years working with individuals, small businesses, and non profits. Adam is a Big Brother and has been on the Board since 2010. He is currently serving his second term as Chair of the Board.

Jennifer Stanford

Immediate Past Chair

A member of the board since 2010, Jennifer works with Arnold & Porter Kaye Scholer LLP as a Client Accounting Manager. She is an active member in the community, volunteering on the Board of Directors for the Junior League of Tallahassee and with Big Brothers Big Sisters as a former Big Sister. She has also held a leadership position as the Event Chair for the Big Brothers Big Sisters Champagne Bash and has been very active with our event planning committees. Jennifer is dedicated to making a difference in the lives of local children. Jennifer is married with two sons.

MaryRose Sirianni

Vice Chair

MaryRose has 26+ years’ experience in telecommunications policy, regulatory and legal affairs, internal and external relations, and visionary programs for community involvement. She has held a position with AT&T as External Affairs Manager since 1998. She was the recipient of the President's Volunteer Service Award in 2012 and 2014 and has been a Big Brothers Big Sisters Board Member since 2013.

Brian Walgamott


Brian joined the board of directors in 2016. Since 2008, Brian has been providing tax compliance and consulting services. A graduate of Florida State University with a Master's degree in Accounting, Brian has experience working with corporate, not-for-profit, trust, and high-net worth individual clients. He has provided services to clients in the automotive, real estate, construction, medical, manufacturing, and wholesale import/export industries. Brian also has specific experience working with clients on international issues and litigation support. 

Samantha Sexton


Samantha Sexton joined the board of directors in 2016 after volunteering as a Big Sister for three years. She currently acts as the Vice President of Legislative and Regulatory Affairs at the Personal Insurance Federation of Florida. Past positions include the Director and Associate Director of Government Affairs with the PACE Center for Girls. She is an active member of the Junior League of Tallahassee and Immediate Past President of the Capital Area Gator club. A distinguished recipient of the Ralph Gonzalez Memorial Award, she was recognized in 2015 as one of the '30 under 30' rising stars of Florida politics. Samantha is a strong believer in fighting for children, civil rights, economic empowerment and education and is honored to be part of the Big Brothers Big Sisters Board of Directors.

Melodie Greene

Melodie Greene started her work with the Board of Directors in 2014.  Past community involvement includes work with Boystown, Meals on Wheels and was a Big Sister in the Mentor 2.0 program at Godby High School. Her desire to serve on the Board stems from her passion for serving children and her commitment to ensuring their well-being.

Jami Coleman

Jami Coleman has been with the Board of Directors since 2013. She is an attorney at Viera Williams P.A. where she specializes in Tax Law, Probate matters Estate Planning, and Business Law. 

Ms. Coleman earned her Juris Doctorate from Florida State University in 2008 and her Masters of Law in Taxation from Georgetown University Law Center in 2009. Ms. Coleman is passionate about assisting children and families throughout the community, in both civil and legal organizations.

Zackery Scharlepp

Zackery was elected to the board in 2015. An attorney, he earned his JD from Florida State University in 2010 and is a member of the William H. Stafford American Inn of Court. He has also been a Big Brother in our community based program since August 2015. Zackery is married to wife, Rachel and enjoys running in his spare time.


Ruthellen Caldwell

Ruthellen Caldwell began her work on the board of directors in 2016. She currently works in banking and has held positions with Envision Credit Union. Her background in finance led her to work with Wachovia Bank and Wells Fargo in her early career. She holds a Business Administration degree from North Florida Community College and is active in community organizations like BNI and Money Talks. Currently, she works as the Regional Branch Director for First Florida Credit Union.

Tiffany DuBois

Tiffany joined the Board of Directors in 2014. She is currently a manager at Capital City Bank and was a Big Sister in our Mentor 2.0 program at Godby High School. She earned a BS in Criminology from Florida State and has been an active fundraiser, participating in agency events such as Bowl for Kids Sake.  An engaged community member, she has also volunteered with Meals on Wheels and the Leukemia and Lymphoma Society.

Erroll Powell

Retired judge Errol Powell has been committed to the Big Brothers Big Sisters Board of Directors for over 20 years. He has held positions on numerous boards including Elder Care Services and 100 Black Men of Tallahassee Area. His background is in administrative law and he has received several distinguished awards for his service to the community.


Brent Hartsfield

Brent Hartsfield was named National Big Brother of the Year in 2012 and earned a trip to the Whitehouse. An engineer by trade, Brent has been a board member since 2013 and has also served as a mentor and tutor with the Leon County School System.

Blake Dowling

Blake Dowling is Chief Executive Officer for Aegis Business Technologies headquartered in Tallahassee, Florida. He has been with the firm more than 10 years. In the past, he has worked with Platinum selling recording artist Sister Hazel, as an artist manager. In addition to his duties with Aegis, Blake is a regional columnist contributing business and technology columns to the Tallahassee Democrat, Influence Magazine, Context Florida and others. He enjoys spending time with his family (a bunch of cats, beautiful wife Jeanne and 2 step children). He can be reached at or

Alex Jordan

Alexander Jordan joined the Board of Directors in 2016. He is the Director of Students and Administrative Affairs with the Florida College System. Alexander graduated from Florida A & M University with a Bachelor of Criminal Justice and Master degree in Public Administration. He is also a graduate of the Helms School of Government from Liberty University. Mr. Jordan has a high devotion to education, civic engagement and the youth in our communities. Alexander and his wife Annie have two daughters, who also share the same passion for community service.

Samantha A.C. Vance

Mrs. Samantha A.C. Vance is a social entrepreneur, business owner, author, and community activist. She has served in the non-profit sector and association business for over a decade. Her experience includes supervising and restructuring operations and administrative staff, along with managing high-level projects for various companies and universities.
Vance is the co-owner and managing partner for Vance Strategies, a business consulting firm specializing in nonprofit development, real estate investing, branding, and more. Her consulting extends to national companies and individuals providing business development advice, and campaign management assistance.
Vance has a passion for youth, developing young ladies into leaders, and helping them achieve their goals. As the Founder and Executive Director of Ladies Learning to Lead (L3), Vance focuses on the overall management of the organization and seeks to provide tools for success for every young lady involved.
Vance founded L3 in 2010 with a vision to advance the lives of young ladies in our Nation. Serving as a mentor herself and having several in her life, she believes in the benefits of mentorship. Vance is a first-generation college graduate, who worked her way through school. Experiencing great challenges in life has kept her sharp, assisting her in being an asset to the community. By providing mentorship, professional development training and college resources to young ladies, Vance believes it will only lead them down a path of success to help build our Nation's communities, and create our next female leaders.
Vance is a graduate of Florida State University with a BS degree in Political Science, minor in Public Administration. She serves as the President for the Leon County Alliance for Girls, and the Southside Affordable Housing Investment Showcase board. Vance is a certified Sexual Risk Avoidance trainer with the National Abstinence Education Association. She is a member of the board for Adullam Entrepreneur School, and Generation Now Youth Ministries. She also serves as a youth leader for her church in Tallahassee, Florida.
Vance is blessed to be the wife of Jaworski Vance, and a mother of two blessing boys Javin & Jaxon Vance. She is known as a solid believer in JESUS CHRIST, her LORD and Savior.

Matthew Williams

Matthew Williams is a partner at Akbar Law Firm where he focuses on criminal defense and personal injury matters.  After attending law school at Florida State University, he began his legal career at the Public Defender's Office and he's remained actively engaged in the Tallahassee community.  He is currently serving his first term on the Board after recently joining in 2017.