Meet our teamadvancing the GISI vision

Introduction

Building for generations requires more than capital — it requires the conviction of expert leaders who understand the complexities of our industry, make their decisions with integrity, and evaluate investments against our long-term goals. 

GISI’s strategy is guided by executives who have spent their careers leading the industries we serve — bringing practical insight, thoughtful stewardship, and long-term vision to drive our growth.

Executive Team

Rick Newman

Chairman & CEO

Derek Amidon

Chief Operating Officer, GISI &
CEO, GISI Consulting Group

Rich Lee

Executive Vice President and Chief Financial Officer

Scott Kolbrenner

President & Chief Strategy Officer

Bob Mullen

CEO, STO Building Group

Jim Donaghy

Executive Chairman, STO Building Group

Founders

Rick Newman

Chairman & CEO

John Dionisio

Executive Vice-Chairman

Jeff Kissel

Executive Vice-Chairman

Dick Newman

Executive Vice-Chairman

Tony Shum

Independent Director & Chairman, GISI Asia

Our Team

Eric Chen

Executive Vice President, Interim General Counsel & Corporate Secretary

John Dionisio Jr.

Managing Director

Melinda Ellsworth

Senior Vice President, Corporate Communications

Brian Fields

Chief Compliance Counsel and Senior Vice President, Enterprise Risk Management

Claudia Flores

Vice President

Dan McQuade

Managing Director

Rod Musser

Chief Administrative Officer

Rob Sterzenbach

Managing Director

Exceptional builders,
amplified by GISI.

STO Building Group has a remarkable success story. From legendary projects to expanded capabilities, learn how GISI’s generational partnership has amplified what great builders can accomplish together.