Founded in 2004, the Winkler Group is a national firm respected for our relentless pursuit of results.

Our Values

Humbly Confident

Results Driven

Exceedingly Grateful

Dedicated to Excellence

Collaborative Partner

Committed To Success

As our client partner, you will quickly notice a difference working with us.
We invite you to learn more about the clients we’ve served and how philanthropy has transformed them.


The story of the Winkler Group begins with a need—a gap in the philanthropic marketplace.

Why Winkler Is Different



Serves three or less clients at a time.

An office of experts helps lead your project.

Hands-on; helps complete tasks for you.

Unlimited campaign study interviews.

Wealth screening included.

Case study written by a donor communications expert.

Timothy M. Winkler Sr., MA, CFRE

Principal, CEO

Jim Bush

Principal, President

Headshot of Jessica Browning
Jessica Browning, MBA

Principal, Executive Vice President

Nikki Rach, Vice President of Client Services, Winkler Group
Nikki Rach

Vice President, Client Services

Headshot of Raymond E Carnley
Raymond E. Carnley, EdD

Associate Vice President, Client Services

Kate Combs, Winkler Group Client Services Coordinator
Kate Combs

Client Services Coordinator

Kathy Douglas, Winkler Group Consultant
Kathy Douglas


Jessica Garrett, Winkler Group Consultant
Jessica Garrett

Consultant and Donor Communications Specialist

Headshot of Rick Guarino
Richard Guarino, MBA

Senior Consultant

Katie Hajjar

Director of Finance and Operations

Anna Lipscomb, Winkler Group Marketing Events Coordinator
Anna Lipscomb

Marketing Events Coordinator

Headshot of Mark McGrew
Mark McGrew

Project Manager

Alexandra Reardon, Winkler Group Senior Managing Consultant
Alexandra Reardon, CFRE

Senior Managing Consultant

Bill Rose, Winkler Group Consultant
Bill Rose


Rachel Santos

Marketing Manager

Tim Smeal, Winkler Group Senior Consultant
Tim Smeal

Senior Consultant

Bryan Steros

Senior Managing Consultant

Ellie Tiller, Winkler Group Consultant
Ellie Tiller

Senior Consultant


Interested in working at Winkler Group?

The Winkler Group is a proud member of the Giving Institute, a highly selective group of consulting firms dedicated to the highest standards in ethical fundraising.

Ready to launch a capital campaign?