Since 1986, Dering Has Led the Way in Helping Clients Develop, Engage, and Align their People for Success.

The work of the Dering team involves all dimensions of organizational development, including training, strategic planning, teambuilding, change management, and performance coaching.

Dering Team

Paul Young


Paul Caulfield

Vice President

Brian Keefer

VP of Operations

Erika Wollenhaupt

Administrative Services Manager

Carol Harris

Senior Consultant

Joanne Gallo

Administrative Assistant

K.C. Yi-Taylor

Instructional Developer

Lynn M. Kulbacki

Instructional Developer

Brandon Dameshek

Instructional Developer

Abbey Krepps

Instructional Developer I

Ellen Hoffmeister

Research and Communications

Lynn Tonini

Instructional Developer

Steve Riccio

Senior Consultant

Yvonne Aguayo


Chad Ruegsegger

Senior Consultant

Sydney MacKeigan

Marketing Intern

Bobby Sheaffer



To help our partners reach success through strategy and learning.


To be the recognized leader in inspiring the performance of organizations, teams, and individuals.

Core Values


To lead by first serving others—our clients, our community, and one another.


To deliver on our commitments, no matter what.


To find innovative solutions through experimentation and the engagement of diverse perspectives.


Association for Talent Development
Pennsylvania Department of General Services

The learning tools are quite enriching and very helpful in our day to day life at Ahold. I’m very grateful of the opportunity and chance to be part of this class.

Training Class Participant

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