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David Perelgritz
London, England
Masters, Edhec Business School
McKinsey & Co
Royal Mail
Independent Consultant
Krishnan Vaidyanathan
Boston Consulting Group
Independent Consultant

Sarah Chapman Wilson
Milwaukee, WI
BSc, University of Illinois
McKinsey & Co
YRC Worldwide
Chapman Consulting & Research, LLC
Peter Bancroft
London, England
BSc, U of York
Bain & Co
Tao Advisory Services Ltd
Keagan Russo
Atlanta, GA
JD, Boston College
McKinsey & Co
CAN Capital
Bank of America
EmersonHarper LLC
Marcin Mazurek
Warsaw, Poland
McKinsey & Co

Ernest Miller
Cleveland, OH
MBA, Michigan
McKinsey & Co
Archway Marketing Services
WorkflowOne LLC
Optio Tempore, LLC
Greg Acton
Pittsburgh, PA
MBA, Carnegie Mellon
McKinsey & Co
United States Navy
Two Bell Group, LLC

Professional Development Events

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Social Events

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What Members Say

Leff, Ilene So wonderful to be among like-minded colleagues for learning, improving our practices, getting to know one another and having fun.

Ilene Leff

McKinsey alum

As a veteran of four Top Tier events, I can say that Will and Umbrex always bring relevant and timely topics for building a high quality consulting practice.

Geoff Wilson

McKinsey alum

Top Tier is a "must go to" event - a unique combination of networking, learning, reflecting and just plain good fun! I leave with renewed personal and professional relationships, new ideas to run my practice and new content for my clients.

MaryKate Scott

McKinsey alum

I learned enough in two of the sessions to pay for the opportunity cost of the event several times over.

Jamie Campbell

McKinsey alum

It's great to meet with peers and to expand your horizon. Time well spent.

Joachim Fischer

McKinsey alum

Absolutely fantastic professional development—just what I was missing as an independent!

Eli Diament

McKinsey alum

Umbrex provides a community of like-minded independent consultants who want to make an impact not only with their clients, but also within themselves and their communities.

Mark Gomez

Bain alum

Umbrex is a unique resource, with extraordinary value for consultants and clients. I talk to (and work with) a lot of consultants, consulting networks and, of course, clients. While most consulting networks are a loose amalgamation of firms or consultants under a common banner, Umbrex is something quite different—a vetted community.

David A. Fields

David A. Fields, author of The Irresistible Consultant's Guide to Winning Clients

The Umbrex community is vibrant and supportive, events are top-notch, and the content is just superior.

Romain Ichbiah

Booz alum

Thought Leadership

Three Experts on the Gig Economy

Posted Oct 19, 2018

Diane Mulcahy was recently interviewed for this article in Fast Company.

Building a Strong Foundation through Brand Architecture

Posted Oct 18, 2018

Jonathan Paisner highlights three simple, but vital, brand architecture principles for B2B startups.

Identifying the Potential of Crazy Ideas

Posted Oct 17, 2018

Kaihan Krippendorff breaks down the process of identifying the potential and achievability of innovative and crazy ideas.

The Important Value of Disagreement

Posted Oct 16, 2018

More valuable consulting advice from David A. Fields as he identifies the value of disagreeing with your clients’ assumptions, preconceptions, and hypotheses.

Unleashed Podcast