Board of Trustees

Christopher W. Daniels '05, President
Abby Mrozinski '98, Vice President
Geordie Hayward '04, Treasurer
Bonnie Wu, Secretary

Sarah Baylin
Krista Griffith
David Ley Hamilton
Caroline Tatnall Ketcham ’58
Stephen D. Marvin '88
Keith Morton ’74
Pamela Politis, PhD
Jonathan Silver '06
Loni Tabb, PhD
Sally Veghte
Vincent Watchorn III '87
Gregory W. Werkheiser
David T. Woods
Terri M. Young

Board of Trustees

List of 18 news stories.

  • Sarah Baylin

    Appointed 2022:
    Sarah has been a member of the Tatnall community for over 35 years. A graduate of the University of North Carolina - Chapel Hill, Sarah began teaching in the Tatnall Upper School in 1979, and for 15 years, taught English and history and coordinated the Professional and Service Learning Projects. During these years, she served as the President of the Tatnall Faculty Council and as a member of the1996 Head of School Search Committee. In 1995, Sarah was named Head of the Upper School, a position she held for 20 years. During her tenure, the three term schedule was created, course offerings were increased, and the use of technology in teaching was introduced. In 2009 Sarah was awarded the Alumni Faculty Award. Prior to coming to Tatnall, Sarah taught English and trained teachers in Misurata, Libya with the Peace Corps. After returning to the United States, Sarah taught in North Carolina, Tennessee, and Philadelphia before settling in Wilmington with her husband, Jonathan, and their sons, Benjamin '96 and Zachary '98.
  • Chris Daniels ’05—President

    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.
  • Krista Griffith

    Appointed: 2022
    Krista Griffith has been a member of the Tatnall community since 2014, when her son, Sam, now in the Upper School, became a first-grader at the Lower School. Since then, Krista has served on the Tatnall Building & Grounds Committee and as a homeroom parent in the Lower School. 

    Professionally, Krista serves as State Representative for the 12th District of Delaware, which includes neighborhoods in Hockessin, Greenville, and North Wilmington. She is a parent, attorney, and advocate who has dedicated her career to protecting Delaware residents and improving the lives of people of all ages. Her work has helped ensure that Delawareans, including the most vulnerable, have access to economic and educational opportunity as well as equitable treatment by the justice system. 

    Krista served for nearly a decade as a Deputy Attorney General in the Delaware Department of Justice under the administrations of Beau Biden and Matt Denn. Krista led Attorney General Biden's Senior Protection Initiative and was assistant unit head of the Department of Justice's Domestic Violence and Child Abuse units. She also represented state agencies, including the Department of Services for Children, Youth, and their Families.

    Krista knows first-hand the healthcare challenges confronting Delaware families. When her younger son, Nate, faced a life-threatening leukemia diagnosis, Krista left the Department of Justice in 2015. She spent months at Nate’s bedside while he underwent successful cancer treatment.

    Krista has dedicated hundreds of hours to board leadership and community service for several nonprofit organizations in Delaware, including the Down Syndrome Association of Delaware and the Siegel Jewish Community Center.

  • 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.

  • Geordie Hayward ’04—Treasurer

    Appointed: 2020
    Geordie, whose family has been involved in the Tatnall community for several generations, is lucky enough to have in-laws with a deep Tatnall tradition as well. Geordie is most proud of Tatnall’s commitment to shaping balanced futures for students through a commitment to academics, the arts, and athletics. He is also a member of Tatnall’s Investment Committee.
    Geordie has a bachelor’s degree in economics from Emory University and an MBA from the University of North Carolina. He works as a commercial real estate developer, and his wife Mimi works for the National Institutes of Health. They live with their two young sons in Bethesda, Maryland, and try to spend as much time as possible enjoying the outdoors.

  • Caroline Tatnall Ketcham ’58

    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 current 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.

  • Stephen Marvin ’88

    Appointed: 2001
    Stephen is the past 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.

  • Keith Morton ’74

    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.

  • Abby Mrozinski ’98—Vice President

    Appointed: 2020
    Abby is a member of the Tatnall Class of 1998 and the proud parent of Owen ’27 and Amelia ’31. Since her graduation, Abby has remained closely connected to the school, via roles on the 2019 Head of School Search Committee, Development Committee, Alumni Council, and Board of Trustees, and has served as a Class Agent. 

    Currently, Abby is the chief financial officer of the Wealth and Institutional Client Services Division (WISD) at Wilmington Trust, a subsidiary of M&T Bank. The WISD businesses provide planning, trust, investment management, private banking, and specialized trust services for capital market financing structures, and trust and custody services for retirement plans.

    In 2019, Abby was named to the national American Banker Most Powerful Women In Banking: Next list, which recognizes the top 15 women in the banking profession under the age of 40. Abby graduated from the University of Delaware in 2002 with a BS in finance.  

  • Jonathan Silver '06

    Appointed: 2022
    Jonathan Silver serves as Vice President of the ONIX Group. He is a team leader that participates in multiple facets of the ONIX Group’s real estate development process and operations management. These  responsibilities can include hospitality and healthcare project feasibility, franchise selection, lease negotiation, grants, marketing, and the evaluation of new market opportunities. Jonathan has overseen the development and opening of a variety of real estate projects in the Mid-Atlantic and Florida.
    Additionally, he has secured a $2.7 million grant from the Delaware Economic Development Office (DEDO) for infrastructure improvements in Georgetown, Delaware, for a mixed-use project. He developed and opened 3 hotels and is currently working to develop new hotels in Downtown West Chester, PA, Neptune, NJ, Rehoboth Beach, DE, and Orlando, FL, working on developing 800 apartment units throughout the state of Delaware, and developed and opened 6 outpatient addiction treatment centers in the Mid-Atlantic that serve individuals dependent on alcohol and drugs. Jonathan also serves as a member of the Board of Directors for ONIX Hospitality, Physicians Mobile X-Ray, and Addiction Recovery Systems.  
    Jonathan holds a Bachelor of Science degree in Entrepreneurship/Entrepreneurial Studies from the University of Tampa, John H. Sykes College of Business, and is a graduate of the Tatnall School in Wilmington. He also serves on Tatnall’s Building and Grounds Committee.
  • Pam Politis, PhD

    Appointed in 2021
    Pam Politis is currently employed as Executive Director, Legal at Incyte Corporation in Wilmington, Delaware. Pam is responsible for providing legal support to the North American business organization for the rapidly growing pharmaceutical company. She serves as a frequent speaker on legal topics involving healthcare policy and pharmaceutical research, advertising, and distribution. She is active in fostering professional development with her employer as well as outside organizations. Additionally, she was recently recognized as a 2021 Luminary for the Healthcare Businesswomen's Association.

    Pam has been practicing as in-house counsel since 2007. She has filled a variety of roles, such as working in private practice at Delaware law firms as a patent attorney and patent agent. Pam is licensed to practice in Delaware, Pennsylvania, and the US Patent and Trademark Office. She received her JD from Widener University School of Law, her PhD in Biophysics from the University of Michigan, and her BA in Chemistry from the University of California, Santa Cruz.

    Outside of her professional endeavors, Pam remains active in her community. She has been a volunteer attorney for the Delaware Office of the Child Advocate since 2009. In that capacity, she has been a Guardian Ad Litem for several children in Delaware's foster care system. She has served on the Board of Directors of the Arden Community Recreation Association for over a decade and served four years on the Board of Assessors for the Village of Arden (2016-2020). She was recently elected to a two-year term on the Community Planning Committee for the Village of Arden. Previously, she served for five years as a Trustee of Wilmington Montessori School (including one year as Chair).

    Pam and her husband Jeffrey have two boys, Jackson and Jacob '26. Jackson graduated from high school in 2021 and attends college in North Carolina. With COVID-19 disrupting so much of their typical activities, they have enjoyed discovering a new enthusiasm for gardening, hiking, and cooking but look forward to the return of sports, music, and theater productions.

  • Loni Philip Tabb, PhD

    Appointed 2021
    Loni Philip Tabb is an Associate Professor of Biostatistics in the Dornsife School of Public Health at Drexel University and has been at the University since 2009. As a professor, her research examines the intersection of health, place, and time – with an added focus on health and social disparities that impact marginalized populations. She also teaches a number of required courses to graduate (biostatistics) students in the School of Public Health, as well as advising and mentoring both MS and PhD candidates. Her service in the field of biostatistics focuses significantly on creating a more diverse and inclusive environment to train and develop the next generation of biostatisticians. 

    Loni has served on Tatnall’s inaugural Diversity, Equity, and Community Steering Committee to further support and guide diversity, equity, and community related initiatives at the school. She is also an active member of her church, Harvest Christian Fellowship in Wilmington, DE. 

    She is a graduate of Drexel University (BS 2003, MS 2005) and Harvard University (AM 2007, PhD 2010), with degrees in mathematics and biostatistics, respectively. She and her husband Thomas live in Delaware and are parents to Madison ‘30 and Chandler ‘33.

  • Sally Veghte

    Appointed: 2022
    A member of the Delaware bar since 2005, Sally has been in private practice in Delaware for more than 15 years. Prior to that time, Sally worked in the General Counsel’s Office at Georgetown University. Sally holds a bachelor of science in criminal justice from the University of Baltimore and a Juris Doctorate from the Delaware Law School, Widener University.

    As an active parent in the Tatnall community over the last ten years, Sally served on the Home & School Association Executive Committee for five years, held active roles on various committees, and acted as a grade-level parent representative.  Sally is also an active member of the community as a volunteer with the ADC Executive Committee and St. Ann’s Parish.

    Additionally, Sally and her husband Rox are proud parents to three children, Jonathan ’28, Andrew ’30, and Alexander ’33. They have been part of the Tatnall family since enrolling in the Early Childhood program in 2012.
  • Vincent Watchorn III '87

    Appointed: 2021
    Vince Watchorn is in his fiftieth year of connection with Tatnall School and beginning his third iteration as a Tatnall trustee. Tatnall played a formative role in Vince's vision of education – he is a graduate, former faculty member, past Alumni Council president, and Alumni Service Award recipient of the school, where his father was mathematics department chair and his mother the alumni coordinator, and his two sisters are lifers who pursued careers in education. His student experience and his family's dedication to the school inspired his career path through a desire to provide for others the quality of education he was privileged to receive. 

    In large part due to his Tatnall student days, Vince has been engaged in strategic diversity work and community service. He has been a voice for forward movement in equity and inclusion through school strategy, trusteeship, curriculum development, and community standards. Additionally, Vince is president of the Friends of Cooch's Bridge Historical Site and a volunteer at Mt. Olive Cemetery. He is a trustee of Educational Resources Bureau and Penland School of Craft (NC); and a member of the REACH Riverside Education Committee and the Delaware Racial Justice Coalition.

    Today, he is an independent leader with nearly thirty years of experience working directly with Boards of Trustees. He is a consultant to the National Association of Independent Schools (NAIS), a partner in the strategic diversity and inclusion firm Haakmat Consulting, and president of Watchorn Education LLC. He served as head of the Providence Country Day School (RI) for eight years. In all endeavors, he is wholly dedicated to fostering the potential of people and their organizations.

  • Gregory Werkheiser

    Appointed: 2017
    Greg and his wife Rachel are the proud parents of three children, including Owen ’25 and Madeline ’26. Both Owen and Madeline have been part of the Tatnall family since enrolling in Tatnall’s Early Childhood program at the ages of 4 and 3, respectively. 

    Greg is a graduate of Pennsylvania State University (BS finance, 1992) and the Delaware Law School, Widener University (JD, 1996). 

    A member of the Delaware bar for more than two decades, Greg is a partner in the Wilmington, Delaware office of Benesch, Friedlander, Coplan & Aronoff, LLP, an AmLaw 200 business law firm. 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.

    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.

  • 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—Secretary

    Appointed: 2018
    Bonnie was born and raised in Delaware and has been connected to Tatnall for several decades. She currently serves is on the Executive Committee 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.

  • 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.

The Tatnall School

The Tatnall School is an independent, coeducational, college preparatory day school for students in PK3 through Grade 12 located in Wilmington, Delaware.