Our People

We serve our clients with a broad diversity of experience and strategic, data-driven insights.

Lisa Aaronson

Senior Vice President

Mark Aimone

Vice President

Brian Aitken

Survey Data Analyst

Jeremy Allen

Project Associate

Andrew Allred

Senior Vice President, Asia Pacific

Expertise: Gift officer coaching, training, development…

James Anderson

Consultant

Andrew Baldovsky

Technical Services Manager

Richard Banks

Vice President

Sophia Barron

Senior Project Manager

Daniel Basco, Ph.D.

Vice President & Executive Director, Philanthropic Analytics & SurveyLab

Chris Begley

Senior Vice President

Derek C. Bellin

Senior Vice President

Jessica Bernthal

Content Strategist and Writer

Carrie Bhada Porter

Senior Vice President

Anne Borchert

Vice President

Valerie Boulet

Vice President

Keith Brant

Vice President

Jonathan Brooks

Consulting Associate

Lisa Brown

Vice President

Michael Burdett

Proposal Writer

Cynthia Butler

Senior Vice President

Sarah Parnum Cadbury

Vice President

Ed Caron

Vice President

David Carpenter

Consulting Vice President

Mary K. Carrasco

Senior Vice President

Tony Castrodale

Consulting Resources Intern

Kathleen Clark

Business Development Operations Manager

Anna Clark

Administrative Project Associate

Shannon Coffey

Staff Accountant

Isabelle Cozzi

Marketing Conference/Event Project Manager

Ragan Crawford

Director of Sales Enablement

Katie Danilowicz

Administrative Project Associate

Michael Degenhart

Vice President

Karen Devlin

Chief Financial Officer

Sarah Dietz

Vice President, Human Resources and Talent Management

Kathryn Dillon

Consulting Associate

Emily Duecker

Administrative Project Associate

Adrianne Dues

Director of SurveyLab

Allison Epstein

Study and Report Editor

Margaret Fala

Vice President

Elizabeth Kolb Farr

Senior Vice President and Independent Schools Practice Leader

Bruce W. Flessner

Senior Vice President

Margaret Fortune

Project Associate

Sara Frank

Director of Knowledge Resources

Cindy Fredrick

Vice President

Juan Garcia

Senior Vice President

Jacob Geiger

Consultant

Anne Glaza

Consulting Associate

John Glier

Chief Executive Officer

Sadie Gray

Director of Advancement Learning

Martin Grenzebach

Chairman

Dana Gresko

Vice President

Mary Guerrero

Administrative Assistant: Office of Administration

Lana Halima

Project Associate

Emily Hall

Junior Data Analyst

Hannah Hampton

Proposal Writer

Reyna Henney

Executive Assistant for the Office of the President at GG+A

Gretchen Hess

Consulting Associate

Patty Hill-Callahan

Senior Vice President

Suzanne Hilser-Wiles

President

Laura Hinkley

Vice President

Expertise: “Start where you are. Use…

Ben Johanksi

Project Accountant

Kalee Johnston

Director of Projects & Process Improvements

Rodney P. Kirsch

Senior Vice President

Gillian Klunke

Project Associate

Anne S. Kohn

Senior Vice President

Leslie Laird Kruhly

Vice President

John Kudless

Senior Vice President

Expertise: building and growing strategy driven…

Shelby LaMar

Vice President

Genevieve Landry

Project Associate

Creighton Lang

Senior Vice President

Pete Lasher

Senior Vice President

Gina Lettiere

Resource Project Manager

Mike Levine

Vice President

Erica Lewis

Staff Accountant

Rachel Li

Administrative Project Associate

Ashley Lomery

Vice President

Jarel Loveless

Vice President

Joanne Maher

Executive Assistant, Office of the CEO

Lindsey Mann Field

Vice President

Jack Markham

Marketing Research and Prospect Manager

Paul Mateo

Vice President, DonorScape LLC

Charlotte Davis McGhee

Vice President

Jim McKey

Senior Vice President

Rowena Montoya

Vice President

Maia Murphey

Proposal Writer

Laurie Musgrove

Senior Vice President

Jeff Nearhoof

Senior Vice President

Alpha Paniagua

Human Resources Coordinator

Eddy Park

Senior Staff Accountant

Elesa Paschke

Project Manager

Ronnie Plasters

Vice President of Advancement Learning

Bob Ramin

Senior Vice President

Royal Rarick

Associate Director, SurveyLab

Leeyah Rassu

Consulting Associate

Chris Redgate

Vice President

David Rice

Knowledge Resources Associate

John Rick III

Senior Vice President

Adrian Salmon

Vice President

Expertise: Analytics, Digital fundraising, Direct marketing…

Sam Schlouch

Vice President

Amber Secrist

Knowledge Resources Associate

Ed Sevilla

Senior Vice President

Andrew Shaindlin

Vice President

Bob Shepard

Senior Vice President

Ralph Silverio

Vice President

Laura Simic

Vice President

Christine O'Neill Singer

Vice President

Eric Snoek

Senior Vice President

Mary Ann Sprinkle

Vice President

Mary Carole Starke

Vice President

Aly Vander Stoep

Senior Vice President

Jared Warner

Senior Project Manager

Becca Westphal

Senior Project Manager

Christen Wilson

Vice President

Ian Wilson

Senior Vice President

Mark Wold

Vice President of Business Development & Marketing

Kurt Woodall

Controller

David Wu

Vice President

Rosanna Zicca

Accounts Payable Specialist