Karen Mack has more than 30 years of experience working with leaders, individuals and groups to increase effectiveness and strengthen talent within organizations.  A veteran trainer and facilitator, Karen’s has led performance improvement learning programs and facilitated meetings nationwide and abroad.  Her areas of expertise include: process consulting, strategic and contingency planning and implementation, project management, coaching, customized training and instructional design.  Known for dedication and tenacity, Karen’s style has been described as engaging and interactive.  With a focus on process facilitation, Karen leads groups through a variety of meetings and retreats to build capacity among organizational members.  www.kmmcod.com

Rebecca Scott

Janetta M. Hammock, CDP

Shaffer Coaching collaborates with a wide network of expert facilitators, coaches and trainers with complementary skills and experience to ensure that we able to provide our clients with the highest quality services to fit their needs. A few of our associates are listed below.

Janetta M. Hammock is a highly skill certified diversity professional with nearly 20 years of experience in developing and implementing organization-wide diversity strategic action plans. Janetta has designed and delivered numerous education sessions on various DEI topics including implicit bias, microaggressions, gender bias, race relations, ageism and workplace engagement and inclusion. She has been described as engaging workshop facilitator that creates safe spaces for honest, in-depth exploration of diverse perspectives. Hammock holds dual master’s degrees: one in Diversity Management (Cleveland State University) and in Cultural Studies/African American History (Morgan State University). She earned her bachelor's degree from Michigan State University. Janetta is also trained in Sustained Dialogue and Intergroup Dialogue facilitation. 

Karen Mack, MSOD, CPCC, ACC

Rebecca Scott is a leadership coach and an Intercultural Development Inventory (IDI) Qualified Administrator based in Washington, DC. She is passionate about making work—and life—more enjoyable and has a particular interest in non-profit leaders and individuals living with chronic illness. With a background in fundraising and special events, Rebecca has worked in a variety of arts organizations, including the Actors Studio, the National Gallery of Art, and the Folger Shakespeare Library. She is a graduate of the University of Pennsylvania and completed her coach training at Georgetown University’s School of Transformational Leadership. www.rebeccascottcoaching.com