2021-22 Board of Trustees

The responsibilities of the Greenhill School Board of Trustees include: affirming and upholding the Mission of the School; establishing school policies; selecting the Head of School; approving campaign goals for annual giving and special capital campaigns; and approving the annual budget. Members of the Greenhill School Board of Trustees are elected by their peers at an annual meeting or a meeting specially called for the election of Trustees. Members are elected to serve three-year terms and may serve two successive terms.


Augusto Sasso
Board Chair

Roy S. Kim '88
Assistant Chair/Secretary

Grace Smith
Finance Chair/Treasurer

Former Chairs Electing to Serve Ex-Officio

David L. Johnson ’67, Trustee since 1987
H. Ronald Nash, Trustee since 1987

Lifetime Trustees

Rusty Jaggers, Trustee since 1994
E. Pierce Marshall, Jr. ’86, Trustee since 1996
Daniel T. Phillips, Trustee since 1997
Molly Fulton Seeligson ’60, Trustee since 2009


  • Debby Ackerman
  • Lester Levy, Jr. ’79
  • Amanda Beck
  • Clayton S. Lougee ’03
  • Leslie Benners
  • Kamini Mamdani
  • Joe Chu
  • Marlo Melucci
  • Albertina M. Cisneros
  • Rich Moses
  • Chris I. Clark ’89
  • David Muller
  • Megan Considine ’97
  • Adriana Perales
  • Lenore Diamond
  • Ashley Scheer
  • David Fox
  • Hardeep Sehgal
  • Michelle McKinney Frymire
  • Boaz Sidikaro
  • Holland P. Gary ’93
  • Rajesh Swaminathan
  • Louis Gennarelli
  • Beth Thomas
  • Lee J. Hark, The David and Rochelle Fredston Head of School, ex-officio
  • Lori Whitten
  • Kenji Hashimoto
  • Linda Wimberly
  • Karlyn Herlitz
  • Bing Xie
  • Joan Hill, Ed.D.
  • Jeff Zlotky
  • Rachel Ladin ’91


Greenhill School

A coed independent day school for Prekindergarten – Grade 12
4141 Spring Valley Rd. | Addison, TX 75001 | 972-628-5400
Copyright © 2022 Greenhill School. All Rights Reserved.