Executive Team


Arrow Down Icon Elizabeth Gandy
Senior Vice President, Supplemental Educational Services

Libby Gandy is a skilled educator with extensive experience helping students improve their academic performance. For the past seven years, she served as the Director of Academic Intervention Services with the Rochester City School District where she developed and implemented extended learning programs for students in grades Pre-K – 12. Program successes included significant increases in reading and math scores, as well as an increase in student participation that nearly quadrupled in a 4-year period. Prior to her tenure as an administrator, Libby was a reading specialist, teaching students in grades 6-8. As an Instructor at SUNY Brockport, she worked with EOP students in need of reading support. In addition, Libby was a pre-service instructor at SUNY Brockport and Nazareth College and supervised student teachers in their field placement. Libby received her Masters in Reading Education from Nazareth College in 1988.

Libby can be reached at (585) 355-4305 Ext. 204 or by email at egandy@gps.us.com.

Arrow Down Icon Terrence J. Hofer, Ed.D.
Senior Vice President, Supplemental Educational Services

Terry Hofer has deep experience in the education field as an elementary teacher, middle school teacher, elementary principal, and district level administrator. A hallmark of his commitment to educational excellence has been his role in championing student learning and parent involvement. Previously, Terry oversaw federal grant programs totaling in excess of $32 million annually, led the effort to launch two college preparatory high schools in partnership with The College Board, opened three Parent Information and Student Registration Centers, and created a framework for the Rochester City School District’s SES program, which was featured in a U.S. Department of Education publication. A first generation college student, Terry‘s dissertation on supplemental education services informs and inspires Global Partnership Schools’ SES program and operations. Terry received an Ed.D. in Executive Leadership from St. John Fisher College.

Terry can be reached at (585) 355-4305 Ext. 204 or by email at thofer@gps.us.com.

Arrow Down Icon Eliza Holcomb
Senior Vice President, Human Capital

Eliza Holcomb has a distinguished career in human resources. For the last seven years, she has been Senior Search Consultant for the Connecticut Association for Boards of Education (CABE), where she recruited superintendents and other key administrators for urban and suburban schools. Before joining, CABE, Eliza’s tenure with Universal Studios began when she served as Employment Manager at MCA/Universal City Studios. She then was appointed Chief of Human Resources Executive for Universal Studios where she managed a department of more than 40 employees and directed the Managers of Employment, Benefits and Training and Development for Universals’ Orlando, Florida theme park. Prior to joining Universal, Eliza was an Employment Recruiter at CBS, Inc. Her professional affiliations include her role as President-elect of the National Association of Superintendent Searchers. Eliza received a Bachelor of Arts from the University of Southern California, Los Angeles.

Eliza can be reached at (212) 644-8619 Ext. 101 or by email at eholcomb@gps.us.com.

Arrow Down Icon Barbara Jarzyniecki
Associate Vice President, Administration

Barbara Jarzyniecki has more than 30 years of experience as an expert communicator working in an urban school district. Most recently, Barbara served as Chief of Communications for the Rochester school district. There, she handled all major media relations and event functions for the District and 60 school sites. Amongst her accomplishments was the design of a state-of-the-art Customer Service Center working with parents and members of the community to create a strong partnership to support student success. During her tenure, Barbara was highly successful in creating campaigns and outreach initiatives to generate public awareness and support for schools. Her community commitment includes her volunteer work for a number of non-profit organizations as well as her service on a variety of Boards associated with communications and development.

Barbara can be reached at (585) 355-4305 Ext. 202 or by email at barbaraj@gps.us.com.

Arrow Down Icon Marlaina Palmeri, Ed.D.
Senior Vice President, Education & Program Development

Marlaina Palmeri has more than 37 years experience as an award-winning educator. She has been recognized for her innovative methodologies to improve school performance, particularly in high poverty schools. Marlaina’s efforts in Rochester, New York, led to her school receiving the National Title 1 Distinguished School of Mastery Award, and she was named Distinguished Educator of the Year by the New York State Education Department. At Edison Learning, Marlaina gained a reputation as a leading authority on successful charter schools, and she was responsible for the oversight and management of school achievement, hiring, supervision, operations, fiscal management, and client relationship. She received her Bachelors and Masters degree from SUNY and her doctoral degree from the University of Rochester. Marlaina also studied abroad as a guest educator in England, Denmark, Sweden and Russia.

Marlaina can be reached at (585) 355-4305 or by email at mpalmeri@gps.us.com.

Arrow Down Icon Saibaba Tata
Chief Business & Finance Officer

Sai Tata brings more than 28 years of corporate expertise and educational prowess to his position. Previously, he was CEO of Aga Khan Education Service, Kenya (AKES, K) for nearly four years and also served as Regional Coordinator for AKES in Africa, which operates 25 schools on the continent. While with AKES, Sai was also involved in conceptualization of Aga Khan Academies, a global project to establish 25 world-class schools with a capital outlay of more than $1 billion. For over a decade, he was involved in establishing several schools and a hospital in the Middle East, India, and the UK for GEMS. In addition, Sai was Head of Projects and Operations. An accomplished financial professional, Sai’s accomplishments include his role as Finance Manager for Coats in India for 5 years. Sai received his bachelor degrees in Commerce from Andhra University and his Law degree from S.P. University.

Sai can be reached at (212) 644-8619 Ext. 104 or by email at stata@gps.us.com.

Arrow Down Icon Ana Tilton, Ed.D.
Chief Education & Program Officer

Dr. Ana Tilton’s career as a leader in public education spans over 35 years. With a consistent focus on raising student achievement, particularly among children in poverty and English language learners, Dr. Tilton has served as a teacher, school administrator, assistant superintendent, and superintendent. She brings passion for all students, a deep set of experiences, a drive for reform, and the ability to lead a complex organization. Dr. Tilton served as an Assistant Superintendent and Superintendent in California after which she consulted with districts focusing on high school reforms and the establishment of new schools. Most recently she served as the Chief Academic Officer of the Denver Public Schools. Dr. Tilton previous roles included Senior Vice President at New American Schools, Partner at the NewSchools Venture Fund, and Chief Program Officer of the Texas High School Project.

Ana can be reached at (212) 644-8619 Ext. 302 or by email at atilton@gps.us.com.

Arrow Down Icon Ralph Valenzisi
Vice President, Information Technology

Ralph Valenzisi has more than 15 years of experience in K-12 Educational and Instructional Technology. At Norwalk Public Schools in Connecticut, Ralph was Director of Technology where his responsibilities included Technology Education Supervisor, Business Education Supervisor, Family and Consumer Sciences Supervisor, Computer Science Supervisor, Networking – IT Department Director, and Instructional Specialist for Educational Technology. He has also served on the faculty of the University of New Haven as an instructor in Educational Technology and was Educational Technology Coordinator at New Haven Public Schools. His career includes his role as an Educational Technology Consultant for Imperial Software in New York. In addition, he was a classroom teacher for 9 years in Stamford, Connecticut. Ralph received a BA from DePaul University, an MS from the University of Bridgeport and a 6th year in Educational Administration from Southern Connecticut State University.

Ralph can be reached at (212) 644-8619 Ext. 110 or by email at rvalenzisi@gps.us.com.