2025 Business Officer Institute

D. DuBose Egleston, Jr., is the sixth Head of School of Porter-Gaud and has served in the role since 2009. He serves on the Board of Trustees for the Southern Association of Independent Schools (SAIS) and the Governing Board of the National Association of Episcopal Schools (NAES). Previously, he served as PG’s Assistant Head for Finance and Operations and as Director of Technology. He has more than 20 years of experience in independent schools. As a student, DuBose attended O’Quinn and then Porter-Gaud for 12 years, graduating in 1993. He then studied chemistry and biology at Furman University, received a Master of Business Administration at The Citadel, and studied as a Klingenstein Fellow at Columbia University. He is proud to lead PG’s excellent faculty and staff and appreciates being part of a school family that sees so much hope and promise in the next generation. He also enjoys working around young people and watching them group in the years they are at PG.

Grace H. Lee is a partner with Venable, LLP in the Labor and Employment Practice. Lee is an independent school law attorney whose practice focuses on employment law, risk management and other compliance and regulatory matters that impact independent schools and nonprofit organizations. She has significant experience formulating and implementing policies and procedures that assist her clients in complying with applicable state and federal laws, and provides them with proactive and preventive strategies.

Mary Kay Markunas supports NBOA's full line of professional development offerings including the NBOA Annual Meeting, Business Officer Institute, webinars and online courses, and also provides resources and support to members. A former independent school business officer, she develops and delivers programs and content related to independent school business operations, leadership and governance, and nonprofit accounting practices. Markunas joined NBOA in early 2015 after serving as the director of finance and operations at The Avery Coonley School for 12 years. While a business officer, she served on the NBOA board of directors for five years (2010-2015). Before joining the independent school community, she worked in corporate finance at a global corporation and in engineering consulting.

Karyn Nishimura Sneath owns Npower, a nonprofit-focused leadership and organizational development consulting practice. She likes to describe herself as a Flexible (and fun) Facilitator, a Smart Strategic Planner, and Creative Consultant.

As NBOA’s chief learning officer, Jennifer Osland Hillen, CPA, CGMA, leads the team that delivers the association’s broad portfolio of programs, industry guidance, and resources across multiple delivery channels. She serves as a subject-matter expert on independent school finance, operations and governance, leads NBOA’s DE&I efforts, and supports the Board's Governance Committee. Hillen serves on the American Society of Association Executives’ Professional Development Advisory Council and has also served on the faculty for the M.Ed. in Independent School Leadership at Vanderbilt University. She worked at Ernst & Young before joining Harpeth Hall School, where she was a business officer for nearly a decade. Hillen has served on the boards and advisory councils of several nonprofits, including Renewal House (treasurer), the Monroe Carell Jr. Children’s Hospital at Vanderbilt, LEAD Public Schools, and WO Smith Music School. She is a past president of the Junior League of Nashville and a member of Leadership Nashville, and also wrote and illustrated the bestselling children’s book, “GOODNIGHT, NASHVILLE.” 

Jeff Shields, FASAE, CAE, has served as president and CEO of the NBOA since March 2010. NBOA is the premier national association serving the needs of business officers and business operations staff at independent schools. Shields, an active member of the American Society of Association Executives, has been recognized as an ASAE Fellow (FASAE) and earned the Certified Association Executive (CAE) professional designation. His current board service includes serving as a director for AMHIC, a healthcare consortium for educational associations in Washington, DC, as well as a trustee for the Enrollment Management Association. Previous board service includes serving as a director for the American Society of Association Executives, as a director for One Schoolhouse, an innovative online school offering supplemental education to independent schools, and as a trustee for Georgetown Day School in Washington, DC. Shields holds a BA from Shippensburg University and an MA from The Ohio State University.

With 20 years of human resources-related experience, Amber Stockham, SPHR, brings expertise in regulatory compliance, talent acquisition and management, organizational planning, and compensation and benefits design to her role as director, human resources programs at NBOA. Prior to joining NBOA in 2020, her career spanned a variety of industries, including social services, manufacturing and construction. She found a passion for education when she served as the director of human resources at Miss Hall’s School, an independent day/boarding school for girls in grades 9-12 in Massachusetts. In her current role, Stockham develops and delivers highly practical and engaging programs, products and services on topics ranging from difficult conversations and employee supervision to benefits administration. Stockham holds a master of business administration from the University of Massachusetts Amherst. 

Karen Volpi is NBOA’s director, accounting and finance programs. Volpi plays an integral role in the development and delivery of resources and programming, particularly with regard to accounting, finance and tax compliance. She serves as the liaison to NBOA’s growing controllers community and the Controllers Council as well as to NBOA member accounting and audit firms. Before coming to NBOA, Volpi was CFO at Darrow School, a co-ed boarding and day school for grades 9-12 in upstate New York. Previously she served in the accounting policy department for Berkshire Bank, and her career has spanned many years in finance and operations roles, primarily in banking and in construction management.

Dr. Anne Thornhill Weston ’73 is the sixth Head of School at Ashley Hall and the only alumna to hold this position. She joined Ashley Hall as Assistant Head of School in July 2015, became Director of Upper School in 2018, and was named Head of School in 2022. Dr. Weston previously worked at Heathwood Hall Episcopal School in Columbia, SC, where she held various roles including teacher, Principal, Assistant Head, Director of Advancement and Alumni Engagement, Provost, and Interim Head of School. Dr. Weston holds a bachelor’s degree in science education from Duke University, where she was a member of the women’s basketball and sailing teams. She also earned a Master of Arts in Teaching with a concentration in Biology and a Doctorate in Health Promotion and Education, both from the University of South Carolina. Known for her collaborative skills and dedication to student success, Dr. Weston has championed important curricular and wellness programs at Ashley Hall. Her leadership philosophy emphasizes collaboration and strong relationships, ensuring the continued growth and achievement of the school.

Wojtelwicz joined Ashley Hall as Chief Financial and Operations Officer in January 2025. Ashley Hall is a day school serving boys from 2 years to 5 years, and girls from 2 years to twelfth grade. Prior to arriving in South Carolina, he was the Chief Financial and Operations Officer (CFOO) for Trinity Valley School in Fort Worth, Texas, an independent, PK-12-day school and was the Assistant Head of School for Institutional Stewardship at The Shipley School, a PK-12 independent day school.  For eight years prior to that, he was also the Director of Finance for Archmere Academy in Claymont, Delaware, which is an independent, college-prep day school for high school aged students.  Adam holds an M.B.A. with a concentration in Management from Eastern University and a B.A. in Business Management from Kentucky Wesleyan College.