Leadership
GSD’s CEO is supported by senior advisors as well as executive leaders with a diversity of backgrounds and experiences across sectors. The Board provides oversight and governance for the organization.

Michael Court
CHIEF EXECUTIVE OFFICER
As the chief executive officer for GSD, Michael manages the overall operations and resources…

Julisa Edwards
GENERAL COUNSEL
As GSD’s General Counsel, Julisa provides strategic advice on legal matters and corporate compliance…

Maggie Fleming
CHIEF OF ENGAGEMENTS
Maggie is an experienced humanitarian leader with a demonstrated career in emergency response…

Sally Jones
CHIEF FINANCIAL OFFICER
As the Chief Administrative Officer of GSD, Sally leads the overall strategic planning…

Susan Kim
CHIEF OF STAFF
Susan joined GSD as Chief of Staff in 2023. Susan is a former international banker and management consultant…

Dave Polatty
SENIOR ADVISOR
Dave is the senior innovation and impact advisor at GSD and previously served as interim CEO…

Mike Smith
CHIEF MARITIME OFFICER
As the Chief Maritime Officer for GSD, Mike is responsible for leading a diverse maritime program focused…

Andrea Tamburini
SENIOR HUMANITARIAN ADVISOR
Andrea is a nonprofit humanitarian strategist and program lead with over 20 years of experience working in disaster response…

Heather Zarrilli
SENIOR CULTURE AND TRANSFORMATION ADVISOR
As the Senior Culture and Transformation Advisor, Heather is a resource for organizational…
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