ELC Leadership

Our ELC leaders have significant and meaningful connections with Children’s Healthcare of Atlanta. Learn more about how they have become leaders in our community and the non-profit industry.

2021-2022 ELC Leadership 

Olivia Wall, Chair

Olivia is a community volunteer in her seventh year of service with ELC. She earned a B.A. in Art History from Washington & Lee University and worked at the Whitney Museum of American Art before returning to Atlanta in 2009. In addition to her work with Children’s, she also serves on the Advisory Board of Skyland Trail, volunteers with the Agape Youth & Family Center and serves as a Sunday school teacher at Trinity Church. Olivia lives in Buckhead with her husband and three children.

Bill Weimar, Vice Chair and Fundraising Chair

Bill is Managing Director with Argonne Capital Group, an Atlanta-based private investment firm. Originally from Louisiana, Bill graduated from Vanderbilt University and moved to Atlanta in 2009. Bill and his wife Caroline live in Buckhead with their three children.

Kavita Mistry, Membership Chair

Having worked within a Fortune 50 technology company and at several global communications firms, Mistry brings 15 years of marketing communication experience to Ketchum, where she currently works as VP, Marketing. She brings a track record of advancing corporate reputation and marketing, advising Fortune 50 executives, leading global teams, rebranding a nonprofit organization and board leadership. Mistry is also actively involved in the Atlanta community and serves as Chair, Board of Directors, for the Children’s Museum of Atlanta and as Chair, Membership, for the Emerging Leaders for Children’s Healthcare of Atlanta (CHOA). She holds a M.S., Integrated Marketing Communications, from Northwestern University, a B.S., Human & Organizational Development from Vanderbilt University, and an APR accreditation from the Public Relations Society of America. Mistry continues to refine the art of straddling different parts of her life, where her perspectives and aspirations are shaped by her worldview and her strong commitment to her family and the community she affectionately calls home, Atlanta.

Kaitlin Hammill, Events Chair

Kaitlin is currently in her third year of service with ELC. Her interest in giving to Children’s began when her daughter Kennedy was diagnosed with congenital heart disease. Kaitlin is a Georgia native and earned her undergraduate degree from the University of Georgia and law degree from Mercer University. In addition to her work with ELC, Kaitlin is a managing attorney at Kenneth S. Nugent, P.C. and the leader of the Family Advisory Board for the Congenital Cardiac Research Collaborative. She lives in Brookhaven with her husband and their three children. 

Valerie Harper, Alumni Co-Chair

Valerie is in her fifth year of service with ELC. She also serves on the Children’s Family Advisory Council, which she joined in 2012. As a native Atlantan, Valerie had minor surgeries and treatments at Children’s as a child. However, her interest in giving back to the hospital was kindled when her middle son was born with DiGeorge syndrome and multiple cardiac defects. Valerie earned a B.S. in Accounting and Business Administration from Washington & Lee University and currently works as an accountant for The Arbor Company. Additionally, she enjoys volunteering at her church and her children’s schools. Valerie and her husband live in Vinings with their three children.

Staci Brill, Alumni Co-Chair

Staci Covin Brill is a philanthropic and development consultant with 20 years of experience working with numerous higher educational, cultural, social service and religious, and philanthropic organizations. A dynamic presenter and skilled facilitator, Staci enjoys working with multi-generational clients to identify and achieve their philanthropic goals. She is a certified speaker and consultant for 21/64, a nonprofit specializing in mutigenerational engagement in philanthropy and family enterprise.

Beyond her professional commitment to the philanthropic and nonprofit sector, Staci takes an active role in her family’s foundation and serves on several Boards including the Emerging Leaders at Children’s Healthcare of Atlanta (CHOA), Jewish Federation of Greater Atlanta, Jewish Federation of North America’s Jewish Changemakers Advisory Committee, and the Advisory Board of the Children’s Museum of Atlanta. She has also served in leadership roles for the Truancy Intervention Project, JScreen and the MJCCA.  Staci has been recognized as one of the Atlanta Business Chronicle’s 40 Under 40, the Atlanta Jewish Times 40 Under 40, and is an alumnae of the Wexner Heritage Fellowship. Staci and her husband, Matt, are alumni of FISHER Flight, a national leadership and philanthropic enrichment program. 

A native Atlantan, Staci earned her Bachelors degrees from Columbia University and the Jewish Theological Seminary.  She and her husband reside in Sandy Springs with their two children and red dogs.

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