Gary Kastenbaum in

Gary Kastenbaum

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Founder at Slate Accelerator
📍 Summit, New Jersey, United States

Gary Kastenbaum is a Managing Partner at Boyden, specializing in executive-level search and consulting. Drawing on senior HR expertise from roles at KPMG and Abbott Laboratories, he helps organizations build leadership teams, particularly in healthcare, life sciences, and financial services. Colleagues describe him as knowledgeable, a strong presence, and cool under pressure.

Outside of his executive search career, Gary is committed to community service. He provides pro bono HR consulting and serves on the Leadership Council for Morris Habitat for Humanity, an organization dedicated to providing safe and affordable housing for families in New Jersey.

He received the Charles Lee Hamilton Tribute Award for his passion and selfless actions in helping families achieve home ownership.

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Experience
33 Years
Current Role
Founder
Job Level
Leadership
Location
Summit, New Jersey, United States
Personality Overview

How Gary shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Gary cares about

Executive Leadership
Specializes in C-suite and executive-level search, helping companies build successful leadership teams and advising on succession planning.
Healthcare & Life Sciences
As a member of Boyden's Healthcare & Life Sciences Practice, he focuses on roles in pharmaceuticals and medical devices.
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Career

Work history

2-2025
Founder
Slate Accelerator
1-2013
Managing Partner
Boyden Global Executive Search
6-2008 - 1-2013
Managing Director
Taplow Executive Search
2005 - 2008
Executive Director HR-CHRO
KPMG LLP
2002 - 2005
Director Human Resources
Bowne Global Solutions-Lionbridge
In the press

Media appearances

Breaking the Mold: Redefining Leadership in Construction. Featured in Boyden Global Executive Search
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Education
BS
The City University of New York
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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