GLSS is overseen by a team of seven senior managers who report directly to interim Co-CEOs Kenneth Halkin and Valerie Parker Callahan, who are also part of the senior management team.
Marie Castineyra, Senior Legal Council
Lisa Darlington, Director of Transportation
Kenneth Halkin, MBA, Chief Financial Officer
Holly Jarrell-Marcinelli, LICSW, Director of Consumer Services
Marilyn Long, Director of Community Programs
Valerie Parker Callahan, Director of Planning and Development/Silver Otter Strategies
Lisa Wharff, Director of Human Resources