Leadership Team

Wheeler Clinic is guided by a diverse and talented team of leaders who are firmly committed to promoting recovery, health and growth at all stages of life.

  • Susan Walkama, LCSW, President and Chief Executive Officer
  • Athena Dellas, MBA, Chief Financial Officer
  • Nicolangelo Scibelli, LCSW, Chief Information Officer
  • Patricia Speicher Werbner, MPA, Chief Human Resources Officer
  • Sabrina Trocchi, Ph.D., MPA, Chief Operating Officer
  • Elisabeth Cannata, Ph.D., Vice President, Community-Based Family Services and Practice Innovation
  • Sandra S. Cohen, MA, CPHQ, Vice President, Quality/Compliance Officer
  • Heidi Joseph, RN, MSN, Vice President of Health Center Operations
  • Kimberly M. Nelson, LCSW, Senior Vice President, Services
  • Todd M. Raymond, Vice President, Facilities
  • Michael F. Russo, Psy.D., Vice President, Education Services
  • John R. Sponauer, MBA, Vice President, Marketing, Communications and Philanthropic Giving
  • Judith Stonger, MA, CPS, CARC, Vice President, Prevention, Wellness and Recovery



Wheeler Leadership News


Reflections on Dennis Keenan

Last week, we highlighted the long career of Dennis Keenan, executive director of Wheeler from 1977 to 1998. This week, we're sharing some personal reflections on Dennis himself.

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The Rewards That Come from Taking Chances

After Dennis Keenan interviewed for a job running Wheeler’s then-new special education school in 1974, he went home and told his wife to not expect him to work there long.

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A Friend for All Seasons

There wasn’t a time when the late, former State Representative Betty Boukus (D-Plainville, New Britain) wasn’t advocating for Wheeler and the individuals and families served by the organization. Ms. Boukus—who served for 22 years in the state legislature—supported Wheeler as a corporator and trustee, and was a steadfast champion for the expansion of its programs and services.

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