Board of Trustees

Officers
Stephen D. Marvin '88, President
Frank J. McKelvey III, VP
Caroline Tatnall Ketcham ’58, Secretary
Thomas P. Ferry, Treasurer

Trustees
Matthew Beardwood ’89
Rebecca Collins
Michele M. Cross
Christopher W. Daniels '05
David Ley Hamilton
Carter Lee ’89
Caroline Brown Lintner '83
Jamie Magee '89
Keith Morton ’74
Calvin B. Stempel
Gregory W. Werkheiser
Cindy Pettinaro Wilkinson ’88
David T. Woods
Bonnie Wu
Cameron J. Yorkston '67
Terri M. Young

Board of Trustees

List of 20 news stories.

  • Matthew C. Beardwood ’89

    Appointed: 2016
    Matt serves as director of wealth management at Westover Capital. His primary responsibilities include oversight and delivery of wealth management advice. Matt is involved in many facets of the firm’s business, including firm-wide initiatives and strategies to deepen and broaden Westover’s client base. He has more than 20 years of financial service and investment industry experience. Before joining Westover, he served as business development director and relationship manager with Glenmede and was senior vice president for Valley Forge Asset Management (now BB&T Wealth).

    Matt is an active member of his community, serving on the board of trustees of the Boys & Girls Club of Delaware and the Providence Country Day School, Rhode Island, and as Vice President of the board of directors of Mass for the Homeless, Inc. He also served on the investment committee of the Delaware Community Foundation. Matt is an active Rotarian, previously serving as director of the Rotary Club of Wilmington and chair of the investment committee of the Rotary Club of Wilmington Educational Foundation.

    Matt has served on Tatnall’s Investment Committee and Finance Committee and is past co-chair of the Development Committee. He is a graduate of Hobart and William Smith Colleges in Geneva, New York. He also attended the Tatnall School (Class of ’89).

  • Rebecca Collins

    Appointed: 2018
    Rebecca is a lawyer and an educator with extensive experience in both fields. When combined, her skill sets make her an excellent crisis manager, executive director, and project manager. Rebecca earned her law degree at Washington University School of Law in St. Louis. As a lawyer, she represented a variety of clients, from international corporations to individuals, in various business- and finance-related matters. Rebecca has published articles and presented at conferences regarding corporate restructuring and participated in pro bono representations of underprivileged children in the greater Philadelphia area.
     
    Rebecca also holds a master’s degree in education from the University of Pennsylvania and has formal teaching experience in a classroom setting at the graduate school, middle school, and elementary school levels. The majority of her formal teaching experience has been with under-resourced populations, and she has a strong commitment to social justice in the field of education. Rebecca lives in Wilmington and dedicates her time and resources to nonprofit organizations looking for leadership, project management, educational programming, legal, and other services.
     
    Rebecca serves as Co-President of Tatnall’s Home and School Association and is the proud parent of Amelia (‘28).  

  • Michele Cross

    Appointed: 2015
    Michele has more than 20 years of experience working as a facilities executive and consultant. Before moving from Toronto to Wilmington, Michele served as a trustee for the Toronto chapter of IFMA (International Facilities Management Association) and director of facilities for several of Canada’s leading real estate development, mining, and banking corporations. In 2001, as a consultant to ING Direct, Michele led the team responsible for the renovation of ING’s head office—a historic building on the Wilmington riverfront— developing facilities standards for the company’s corporate and satellite offices in Delaware, Los Angeles, and cafes in Philadelphia and New York.

    Michele has served on Tatnall’s Buildings and Grounds Committee for six years. She is committed to community service and has been a trustee for Friendship House and served as chairman of Wilmington Garden Day. She has also been a volunteer at Christ Church, the Delaware Symphony, SOAR, and the Lung Association. Michele is a graduate of Seneca College in Canada. She and her husband Jim are parents to Galen Kelly ’20.
     
  • Chris Daniels ’05

    Appointed: 2017
    Chris has been a member of the Tatnall community for more than 20 years. Since returning to Delaware in 2016, he has been actively engaged with the school as a trustee and member of our Finance Committee. Chris, his wife Emily, and their extended family members (Jordan ’06) are committed to supporting Tatnall as it provides students with the knowledge, skill, and integrity to excel in their collegiate and professional pursuits. Chris is a graduate of the University of Miami in Florida and a CFA charterholder. He is currently a director at financial advisory firm Daniels + Tansey and is pursuing a master’s of business administration in the executive program at the Wharton School of the University of Pennsylvania. In addition to his work with Tatnall, Chris is actively involved in supporting the mission of Nativity Preparatory School in Wilmington.
     
  • David Ley Hamilton

    Appointed: 2016 (Prior Service as a Trustee: 1982–1994)
    David is retired from his career as a lawyer at Morris, Nichols, Arsht & Tunnell LLP (1975–2013). He served as a partner from 1983 to 2013 and as a member of the Executive Committee from 2006 to 2012.

    David’s current professional and community activities include being a Trustee of the Grand Opera House, Delaware’s performing arts center; Director of Brandywine Baroque; Director of the Alapocas Maintenance Corporation; Junior warden and vestry member of Trinity Episcopal Parish; and Trustee of the 1916 Foundation. Previously, he has served as Director of the Tiedemann Trust Company and Trustee of the MBNA Foundation’s Education Grant Committee.
     
    David has served on Tatnall’s Buildings and Grounds and Development committees, and during his prior service served on or chaired various committees including a Head of School Search Committee. He is a graduate of Emory University Law School (JD, with distinction, 1975) and Haverford College (BA 1970). His hobbies and interests include fly-fishing (fresh and saltwater), music (opera, choral music, piano), and travel.

    David is married to Ann B. Hamilton, and their daughter Elizabeth graduated from Tatnall in 2019. David’s older children Aldwyn (Wendy) ’94 and Tom ’98 attended Tatnall as well.
  • Tom Ferry—Treasurer

    Appointed: 1998
    Tom is retired from his career in healthcare administration. Most recently, he served as CEO of Nemours/Alfred I. duPont Hospital for Children in Wilmington for 32 years and senior vice president of Nemours Health System. He also performed research for the federal government and two universities and taught in the master’s program at Widener University for 12 years. Tom has been a board member and officer of several national, regional, and local healthcare and other organizations. He received his bachelor’s degree from the University of Maryland and his master’s and doctoral degrees from George Washington University.

    Tom has chaired the Tatnall Buildings and Grounds Committee, the Finance Committee, and the Head of School Search Committee and is currently treasurer of the board.
    Tom and his wife Diane are parents of two Tatnall graduates: son T ’05 and daughter Elizabeth ’07.

  • Caroline Tatnall Ketcham ’58—Secretary

    Appointed: 2013
    Caroline is a granddaughter of the school’s founder, Francis Dorr Swift Tatnall. She became a Trustee in 2013. Caroline and her husband Rob established the Ketcham Fund (now the Esmond Fund) in 2011 to encourage the teaching of and participation in programs highlighting the concepts of honor, respect, and civility. She began her board service as a member of the Program Committee and is currently on the Executive Committee as well as the Search Committee to identify our next Head of School.

    Caroline was the Head of Upper School at The Field School in Washington, D.C., for 15 years and taught geometry and modern European history, as well as a seminar on the Holocaust. Field is a school much like Tatnall in its concentration on developing every student, with devotion and dedication, to his or her fullest potential. Her time at Field was followed by a 15-year stint at Politics and Prose Bookstore in Washington.

    A graduate of Randolph-Macon Woman’s College (now Randolph College) in 1962, she went on to earn a master’s in history from Georgetown University in 1986.

    Caroline and her husband Rob have lived in Easton, Maryland, since 2000.

  • Carter H. Lee, CFA

    Appointed: 2016
    Carter graduated from Tatnall as a “lifer” in 1989, and currently has two sons attending the school, Hutch (‘20) and Wilson (‘28’). Carter has more than 23 years of experience in the investment industry. He founded Lenape Investments in 2016 after serving as partner and chief investment strategist at Montchanin Asset Management from 2001 to 2015. Before Montchanin, Carter worked as a director at several financial services firms, including Legg Mason, a global asset management company headquartered in Baltimore, Maryland, and Multex.com, a Wall Street-based financial research and analytics company.

    Before his career in finance, Carter worked in the documentary film industry, serving as an associate producer for Cronkite-Ward (a production company owned by Walter Cronkite), and as a production manager for National Geographic Television. He holds a BA in History from Washington & Lee University (’93), a post-BA degree in Accounting and Finance from the University of Pennsylvania (’03) and earned the Chartered Financial Analyst (CFA) designation in 2007. He has been a member of Tatnall’s Investment Committee since 2014 and currently serves as its chairman. Carter also sits on the Mt. Cuba Center Investment Committee and is a former member of the Canine Partners for Life board of directors and advisory board.
  • Caroline Brown Lintner ’83

    Appointed: 2005
    Caroline has felt deep loyalty and affection for Tatnall since first stepping foot on campus in the 1970s. She joined the board in 2005 and has worn many hats, including serving as president of the board of trustees and president of the Alumni Council. She currently sits on the Executive, Development, Finance, and Governance committees. Caroline also has served on the Wilmington Montessori School board of directors, Hagley’s Eleutherian Mills Residence Committee, and the Holly Ball Committee.

    Caroline received her undergraduate degree from Dartmouth College and an MBA from Georgetown University. She and her husband Matt are proud parents of two graduates, Alexandra ’15 and Beatrice ’17.

  • Jamie Magee ’89

    Appointed: 2018
    Jamie has more than 20 years’ experience as an information systems consultant and software entrepreneur. Before moving from the D.C. area to Delaware, Jamie co-founded MartinScott Consulting LLC, and is currently a managing partner.

    Jamie is co-founder and chairperson of Newark Bike Project, Inc., and has also served as chairperson of The Penumbra Group and the Oaklands Swim Club. He has additionally served in various committee and board member roles for BikeNewark, Urban Bike Project of Wilmington, Newark Transportation Improvement District Committee, Wilmington Bicycle Advisory Council, Newark Residents Against the Power Plant, Newark Skate Spot Committee, Newark Property Maintenance Appeals Board, Down to Earth Food Co-op, Delaware Humane Association, and CompAnimals Pet Rescue.

    For Tatnall, he serves on the Buildings and Grounds Committee, the reaccreditation planning team, and the Alumni Council, of which he has been the president since 2018.

    Jamie is currently pursuing a part-time graduate certificate in Historic Preservation at the University of Delaware and is a graduate of the University of Virginia. He and his wife Calyce are parents to Lauren Magee ’20 and Owen Magee.
     
  • Stephen Marvin ’88—President

    Appointed: 2001
    Stephen is the president of the board of trustees and has served on the Development, Buildings and Grounds, Program, Finance, and Investments Committees. He and his wife Catherine are parents of Carl ’18, Catie ’20, and Ben ’25.
     
    Stephen is a partner at Marvin & Palmer Associates where he is a Portfolio Manager as well as the Chief Risk Officer. He has more than 25 years’ experience in the investment and investment banking industries. Stephen is a graduate of Carleton College.
  • Frank McKelvey—Vice President

    Appointed: 2010
    Frank is the current vice president of Tatnall’s board of trustees. He is also a committed member of the Tatnall community who serves on the Finance, Governance, Audit, and Executive committees. He previously led the school’s strategic planning process and participated on the Head of School Search Committee.
     
    Professionally, Frank is a former vice chairman of MBNA America where he started his career while attending the University of Delaware. He was a member of the bank’s management committee, personnel committee, and risk committee, and sat on the board of MBNA Delaware bank. After 20 years at MBNA, he co-founded Cordjia, a specialty financial services consulting firm. Frank has extensive general management and marketing experience and is currently an independent advisor and consultant specializing in strategic transactions. He also has served on the boards of several privately held companies as well as the Delaware MS Society.

    Frank is a proud Tatnall parent to Anna McKelvey ’18, Grace McKelvey ’20, and Jack McKelvey ’26. “Tatnall’s teachers are remarkable,” he says. “They are committed to the children they teach and appreciate that each student brings different skills and has their own areas of growth. Tatnall is a place where each of my children have thrived in their own way.”

  • Keith Morton

    Appointed: 2016
    Keith Morton has had a 30-year professional career in financial services and customer service technology. He has worked as a sales and marketing executive for companies such as Merrill Lynch and Lucent and has operated his own consulting business. Additionally, Keith has served as the executive director of the Parent Information Center of Delaware, a not-for-profit organization assisting families of children with disabilities in public education.

    Over the years, Keith has followed a strong drive to support two main interests—his church and his community. He served on the executive board of his Midtown Atlanta Neighborhood Association in Georgia and was also an original member of Wilmington’s Midtown Brandywine board of directors. He was active on the board of trustees for his Atlanta church, Radcliffe Presbyterian, and currently serves on the board for his local church, the Mother AUMP Church.
    Keith has served on the Tatnall Alumni Council since 2015.
     
    He is a graduate of Harvard University and the Columbia Graduate School of Business. Keith and his wife Stephanie, a charter school teacher, have a daughter Sarah, who is in college.

  • Calvin Stempel

    Appointed: 2017
    Cal has more than 30 years of insurance industry experience with American International Group (AIG) in a wide variety of departments and positions. After 10 years in the underwriting and agency management areas of the domestic property casualty division, he spent 14 years leading the Operations Training and Development team responsible for both technical and soft skills course development and delivery across the country, including state insurance department licensure of sales agents. Cal coordinated and developed content for corporate intranet sites and prepared detailed monthly reports for AIG home office executives.

    Cal has served as a founding trustee and director of his family foundation, the Ernest E. Stempel Foundation, since its inception in 1994. He is a former trustee of Ursuline Academy in Wilmington (2014–2017) and served on Ursuline’s Advancement Committee. He also serves on the Major Gifts Committee for Serviam Girls Academy of Delaware. Cal has served on Tatnall’s Development and Buildings and Grounds committees for several years.

    Cal graduated from the Trinity-Pawling School, New York, and attended Middlebury College, Vermont, as well as Wilmington University. He and his wife Jen are parents to Carly ’20, Brooke ’20, Devon ’24, and Ernie ’31.

  • Gregory Werkheiser

    Appointed: 2017
    Greg has practiced law with the Wilmington firm Morris, Nichols, Arsht & Tunnell LLP for more than 21 years. Before entering private practice, Greg served as a law clerk for the Honorable Jane R. Roth of the U.S. Court of Appeals for the Third Circuit.

    Originally hailing from the Lehigh Valley, Pennsylvania, region, Greg relocated to Wilmington in 1993 to attend law school and has remained close to this area ever since.

    Greg is a long-serving member of the board of editors for the Delaware Lawyer, the Delaware Bar Foundation’s flagship publication, and volunteers with the Giffords Law Center to Prevent Gun Violence. Greg and his family are active members of Congregation Beth Emeth synagogue.

    Greg is a graduate of Pennsylvania State University (BS finance, 1992) and the Delaware Law School, Widener University (JD, 1996). He and his wife Rachel are parents to three children, including Owen ’25 and Madeline ’26.

  • Cindy Pettinaro Wilkinson ’88

    Appointed: 2013
    Cindy was born and raised in Wilmington and is a proud alumna of The Tatnall School. She has worked for more than 20 years with Pettinaro Construction Company and founded Pettinaro Relocation to provide both long- and short-term housing solutions. Under her management, Pettinaro Relocation has established successful relationships with builders, real estate brokers, and local businesses. She currently serves as chair of Tatnall’s Building and Grounds committee. Cindy participates on boards and advisory committees for several organizations, including Better Business Bureau, Delaware Tennis Foundation, Habitat for Humanity, Serviam Girls Academy, and Jefferson Awards Foundation. She is also a passionate supporter of many nonprofit organizations and an active member of her community. Cindy is the parent of Brett ’20, Jack ’21, Kathryn ’25, and Charlotte ’25. She has a BS from Radford University.

  • David Woods

    Appointed: 2009
    After studying political science at the University of Pittsburgh, David spent 15 years in the full-time ministry serving in Pittsburgh and Philadelphia, Pennsylvania, and London, England. In 2003 he and his wife Denise moved to Delaware, where he began his career in fundraising and community development. David helped start the Nativity Preparatory School of Wilmington and then went on to lead Social Venture Partners Delaware. Today, he is the director of fundraising and resource development for Autism Delaware.
     
    In 2005 David and Denise joined the Tatnall family when the oldest of their three Tatnall-educated daughters enrolled in the Early Learning Center. “While I love all the divisions, the Early Learning Center is still my favorite. They loved and prepared my daughters in an amazing way. The Tatnall School gives children opportunities and tools like no other school to excel in the arts, athletics, and academics, all within an amazing community.”
     
    In addition to his service on the Tatnall board since 2009, David also serves as an advisor to the youth philanthropy board of the Delaware Community Foundation.

  • Bonnie Wu

    Appointed: 2018
    Bonnie was born and raised in Delaware and has been connected to Tatnall for several decades. She currently serves as a trustee and member of the Advancement Committee. She also co-chaired the Head of School Search Committee. She attended Tatnall during the 1980s. She and her husband Aaron are proud parents of Jack ’25 and Kate ’29. Through her roles as former student, current parent, and active volunteer, Bonnie—along with her family—has benefitted from Tatnall’s profound “way of life.” She is committed to providing similar opportunities to past, present, and future Tatnall families.

    Bonnie holds both a bachelor of arts and a master’s in communications from the University of Delaware. She currently serves as regional director for U.S. Senator Thomas R. Carper. Prior to that role, she ran Senator Carper’s campaign for re-election and worked in his press shop. Bonnie is an active member of the community, including volunteering at Read Aloud Delaware and St. Joseph’s on the Brandywine. She and her family reside in Hockessin.
  • J. Cameron Yorkston

    Appointed: 2017
    Cam is the founder of Yorkston Consulting and has 44 years’ experience as an institutional advancement officer and nonprofit management and fundraising consultant. During this time, he has assisted approximately 80 organizations with their fundraising, communications, governance, and strategic planning programs.

    Before his work as an independent consultant, Cam served The Tatnall School as assistant headmaster for advancement for 18 years. He has also held positions as deputy director of public affairs and development at Hagley Museum and Library, and director of corporate and foundation relations at the University of Delaware.

    Cam served on the Tatnall Development committee from 2017 to 2019. He also served as the founding president of Delaware’s Brandywine Chapter of the Association of Fundraising Professionals, has served on its board of directors and/or advisory committee for many years, and is a recipient of the Fundraising Executive of the Year Award. He was president of The Tatnall School Alumni Council and Delaware Guidance Services for Children and Youth. He has also served as a commissioner of the Delaware State Human Relations Commission, as a board member of several local nonprofit organizations, and as a volunteer chaplain at Christiana Care. He recently completed terms as a commissioner of the Permanent Judicial Commission and a trustee of New Castle Presbytery. Cam continues to be an active member of The Rotary Club of Wilmington, where he has served as its centennial president, Rotary district secretary, and district governor for Delaware and Maryland’s Eastern Shore. 

    Cam is a native of Wilmington and is a graduate of The Tatnall School, class of 1967, the University of Delaware, and Princeton Theological Seminary. He and his wife Kathy live in Hockessin, and their daughter Christina, class of 1997, and her family live in Philadelphia.

  • Terri Young

    Appointed: 2013
    Terri has more than 40 years of human resources experience in the financial sector as well as the healthcare industry. She recently retired from Nemours Children’s Health System as senior vice president and chief experience officer. She joined the Tatnall board in 2013 and has supported the president of the board in the assessment process of the Head of School. Terri is also a member of the board of directors for the St. Pat’s Center, an organization that supports senior citizens as well as the homeless. Previously she was chairman of the board of education for the Diocese of Wilmington as well as chair of the board for Catholic Charities for the Diocese. Terri’s undergraduate degree is in education from the University of Delaware, and she has a master’s in business administration from Widener University. Terri has a 28-year-old daughter who resides in Sydney, Australia.