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Experience. We have it in spades.

Meet Our Leaders

Trade tradition for trust.

All the hoops, hurdles, and extra steps you find in a traditional organization are gone at SEI, made obsolete through national collaboration and trust. We don’t need middle managers — not with a culture of accountability, transparency, and mutual respect. That means less hierarchy, fewer redundancies, and a lot more good work getting done.

About Us

Meet the consultants next door.

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Bill Gallagher

Chief Executive Officer
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Katie Abendroth

Managing Principal, Security, Risk & Compliance & CISO
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Nilsa Algarin

Managing Director, Charlotte
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Carol Austensen

Managing Director, Atlanta
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Shannen Barbato

Head of Revenue Operations
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Dennis Barger

Managing Principal, Data & Analytics
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David Biederman

Managing Director, Cincinnati
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Swecha Bhavana

Managing Principal, New York
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Galen Blumenthal

Managing Principal, New York
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Dylan Casey

Managing Principal, Washington, D.C.
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Sarah Casey

Managing Principal, Chicago
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Bonnie Coté

Managing Director, Seattle
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Jason Davis

Managing Director, New York
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Patrick Donegan

Chief Strategy Officer
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Stephanie Eyer

Managing Principal, Cincinnati
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Monica Fisher

Managing Principal, Boston
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Tim Gagnon

Managing Director, Washington, D.C.
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Aman Garg

Managing Principal, Data & Analytics
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Erin Gregory

Managing Principal, Life Sciences
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Ann Kelly

Chief Financial Officer
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Antonio Mañueco

Managing Principal, AI & Technology
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Jason Michelli

Managing Director, Chicago
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David Ortiz

Managing Director, Miami
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Sarah Reilly

Managing Principal, Miami
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Mark Retz

Managing Director, Phoenix
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Rob Seichter

Managing Principal, Cincinnati
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Erin Sullivan

Managing Director, Boston
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John Tarczewski

Managing Director, Philadelphia
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Katie Tucker

Managing Principal, Atlanta
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Richie Willard

Managing Principal, Atlanta