About Greenleaf Advancement

Our goal is simple. “Help others do good.”

There are so many nonprofits working hard to help others and spread good in the world. Our goal is to help as many of them as we can to be as effective as they can be.

Our values are front and center in our lives, as well as in how we approach professional relationships with clients. Not only do we strive to provide the best service possible, we aspire to make a meaningful difference for those with whom we’re lucky to work. We value and promote:

  • Simplicity, flexibility and health – Promote a clear, creative, and flexible space to achieve.
  • Happy, engaged clients – Provide elegant, compelling, user-focused solutions that exceed client needs.
  • Social responsibility – Enable others to do good and to have a meaningful impact on our world.

Greenleaf Advancement Partners, LLC is the consolidation of services of Peak Media Company, Kilakwa Associates, and Greenleaf Advancement Services.


Josh Gowans

Josh has a background in project management and marketing, and has extensive nonprofit experience having served as an executive director for several NPOs. He earned an MBA from the Moore School of Business and, since graduating, has focused on software development and business improvement through the use of technology.

Guy Iaccarino

Guy combines a strong technology and business process background with extensive fundraising and volunteer experience. He is also an experienced trainer who has spent countless hours leading webinars, on-site training, conference sessions, and business process facilitations.

Sharon Maenza

Specializing in nonprofit website development, Sharon works with a wide spectrum of organizations that do amazing work in their communities and around the globe.  Principal sectors include mental health, advocacy organizations, educational foundations, and the arts.

Bruce Thompson

Bruce has more than twenty-five years experience helping nonprofits find lasting solutions to complex problems. He has expertise in custom data systems, is a regular contributor to open-source software projects, and has served in leadership roles on several nonprofit boards of directors.