Our Team

As thought leaders with more than 200 years of combined fundraising experience, the Winkler Group's team of consultants have been part of capital campaigns raising over $1 billion.

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 thought leaders in the field of philanthropy.  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., Senior Vice President

  • Twenty 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, Vice President of Client Relationships

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

Mary Cook, Business and Operations Manager

  • Nonprofit sector marketing and community outreach
  • Project management and client services
  • Active Community Volunteer
  • B.S., University of Tennessee

Raymond E. Carnley, Ed.D., Senior Consultant

  • Over 20+ years fundraising experience
  • Former VP Insitutional Advancement
  • Raised over $125 million during course of career
  • Ed.D. Higher Education, University of Georgia

Sarah Evans, Senior Consultant

  • Former Director of Philanthropy and Donor Relations 
  • Expertise in major gift fundraising and capital campaigns
  • B.S., Wofford College

Courtenay Fain, CFRE, Senior Consultant

  • Fifteen years of development and marketing experience
  • Generated revenue of over $15 million annually 
  • Former Director of Philanthropy 
  • B.S., Georgetown University 

Jay Howard, CFRE, Senior Consultant

  • Thirty years of development experience
  • Former independent school chief advancement officer
  • Former healthcare and museum director of development
  • B.A., University of Richmond

Nikki Rach, CFRE, Senior Managing Consultant

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

Colby Rankin, Senior Consultant

  • Nearly two decades of fundraising experience
  • Former Director of Development 
  • Former Major Gifts Officer
  • Strategic initiatives helped secure numerous new seven-figure gifts
  • B.A., Wofford College

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

Lee Mikell, CFRE, Senior Consultant

  • 32 years of fundraising experience
  • Raised over $500 million in more than 50 capital campaigns and philanthropy initiatives
  • Former Vice President for Development, Director of Development, Director of The Annual Fund and Major Gifts Officer for universities and hospitals
  • M.P.A. and B.A., Louisiana State University