Our Team
Grandison's experienced staff members

David Greisman
President

Avi Lang
Chief Executive Officer

Steven Schabes
Director of Operations

Alti Silver
Staffing Coordinator

Mattie Smith
administrative assistant

Alyssa Tumulak, PT, DPT
Clinical Director

Yoel Trenk
LEGAL LIAISON

John Lalic
Chief Operating Officer
Our Partners in the Philippines

John Lalic
Chief Operating Officer

Rachelle Villasis
HR Generalist

Archie Paglinawan
Finance

Josette De Gala
Sales and Marketing Supervisor

Richard Rodriguez
Grandison PH Recruitment Supervisor

Cristita Mejarito
Grandison PH Deployment Specialist

Mary Ness Pelayo
NPTE Academic Head

Mary Christine Bolocboloc
Admin Assistant (Cebu)

Raymart Jake Jamito
TOEFL Department OIC