Our Team

As thought leaders with more than 150 years of fundraising experience, the Winkler Group's team of consultants is second to none. 

No matter your challenge, we have a specialist who can help.  As a client, you have access to our entire team of experts with specialties ranging from strategic planning and capital campaign management to planned giving and database mining.

With degrees from Duke, Emory, Harvard, Penn, Wheaton, and William & Mary, our team is filled with overachievers and thought leaders in the profession.  Our consultants are carefully recruited for their fundraising experience as well as their ability to deliver results. 

As seasoned development professionals with law degrees and M.B.A.s, we are creative problem solvers.  We implement customized solutions based on the cutting-edge best practices we've learned first-hand as nonprofit CEOs, vice presidents, and directors of development.

We understand the distractions that compete for your time.  We will work as your partner to design and execute a plan that raises more money and broadens your impact. 


Meet our team; click on any team member for a full biography.

Jessica Browning, M.B.A., Vice President for Communications

  • Fifteen years of marketing and development experience
  • Federal grant reviewer
  • Award-winning case statement writer
  • M.B.A. and M.A., College of William & Mary; B.A., Duke University

Jim Bush, Assistant Vice President

  • Former nonprofit CEO and Development Director
  • Former Blackbaud executive
  • B.A. Elon University; Nonprofit Management Certificate, Duke University

Lisa Cottingham, CFRE, Senior Consultant

  • More than twenty-five years of experience serving national and international nonprofit organizations
  • Clients benefit from her leadership and strategic planning skills
  • Former Director of Development and Vice President 
  • B.S., Penn State University 

Nikki Rach, CFRE, Senior Consultant

  • Twenty-five years of fundraising experience
  • Expertise in campaign management and strategic implementation 
  • Extensive communications expertise
  • Invited to serve on faculty of the Lilly Family School of Philanthropy at Indiana University
  • B.A., Concordia University

Jennifer Richard, CFRE, Esq., COO

  • Editorial Review Board for Giving USA
  • Past President, Lowcountry Association of Fundraising Professionals
  • Highly sought-after speaker at national fundraising conferences
  • J.D., cum laude, Harvard Law School
  • B.A., summa cum laude, University of Pennsylvania

Chris Stowers, CFRE, M.P.H., Senior Consultant

  • Twenty years of fundraising experience
  • Former VP and Executive Director of Arnold Palmer Medical Center Foundation
  • Former VP of Philanthropy for the YMCA of Middle Tennessee
  • Founding board member of the Grace Medical Home
  • M.P.H., Emory University; B.A., Univeristy of Florida

Laura Taylor, Director of Operations

  • Leads business development
  • Coordinator, social media and marketing initiatives
  • Marketing strategies have resulted in an average 10% firm growth each year
  • Conducts prospect research, donor relations, and capital campaign communications
  • B.A., Clemson University

Timothy M. Winkler Sr., CFRE, CEO

  • Twenty-five years of fundraising experience
  • CEO and founding partner of the Winkler Group
  • Director of The Giving Institute Board
  • Chief Development Officer at the Medical University of South Carolina’s largest college
  • Major Gifts Officer at Furman University
  • Successful capital campaign leadership that includes more than $500 million in realized gifts
  • B.A., Wheaton College