About Us

Executive Leadership

Terence G. Blackwell, Jr., BCBA
President and Chief Executive OfficerTerence G. Blackwell

Mr. Blackwell joins the Chimes Family of Services as our President and Chief Executive Officer. He brings more than two decades of diverse leadership experience serving the needs of people with disabilities to his new role with Chimes. Most recently, he served as Chief Operating Officer of Manhattan-based Services for the Underserved (SUS), providing services to people with intellectual disabilities, behavioral health, mental health, and substance abuse issues as well as veterans’ services in a variety of coordinated and integrated care models

In addition to earning his M.S. in Psychological Services from the University of Pennsylvania, including attendance at the Wharton School, Terence is a Licensed School Principal, Board Certified Behavior Analyst, and Certified Addictions Specialist. He earned his B.S. in Psychology from Saint Peter’s University.

Mr. Blackwell’s career history has ranged from serving as a Direct Care Counselor for a large community-based residence to leading the development and operation of preschool programs for children with disabilities under the authority of the New York State Educational Department. He also launched his own consulting practice for not for profits and government-funded agencies and led program expansion and business development efforts for a large not for profit that provides job opportunities for people with barriers to independent employment.

Martin S. Lampner, CPA
President Emeritus

Martin S. Lampner

Formerly the Executive Vice President/Chief Financial Officer, Mr. Lampner is the President and CEO and has been working with Chimes since 1989. His wealth of experience has positioned Chimes as a leader in the industry with technology utilization. Prior to working with Chimes, Mr. Lampner worked with the Associated Jewish Charities and the State of New York, Human Services Administration. He worked as a child welfare worker and job placement counselor prior to receiving his CPA. Mr. Lampner received his MBA at the University of Leicester in 2003. He is the co-chair of ANCOR’s Government Relations Committee and also serves as a member on the Maryland Commission on Disabilities.

Terry Collard
Executive Vice President and Chief Operating Officer for Core Services

Mary “Terry” Collard

Terry Collard joined Chimes Family of Services in 1998 when Intervals merged with Chimes due to changes in the State of Maryland's funding system. Terry Collard founded Intervals to provide residential services and supports for medically fragile children and young adults with intellectual and physical disabilities who required services due to the closure of Highland Health, a state residential center in 1989. She has served in multiple roles with Chimes, incorporating technology within program operations and leading the effort to establish metrics across the organization. Ms. Collard promoted the use of the Baldrige Criteria and was instrumental in submitting state applications for quality awards. She has served as an examiner for the Performance Excellence Program in Maryland. Ms. Collard has a Master's of Business Administration from Loyola College (Loyola University Maryland).

Jeffrey Dubnow
Vice President for Development and Communicationsmonica jackson

Jeff Dubnow joins the Chimes Family of Services as our new Vice President for Development and Communications. He comes to us from George Washington University where for the last two and one-half years he served as the Executive Director for Development and Alumni Relations at the GW School of Medicine and Health Sciences. Prior to his tenure with GW, Jeff served as the Associate Vice President for Development with Loyola University Maryland where he oversaw alumni relations, advancement services, corporate and foundation relations, gift planning, events, stewardship and annual giving. Jeff started his institutional advancement career with the Johns Hopkins Institutions where he spent nearly nine years in increasingly bigger and more responsible positions, culminating with his stint as the Director of Development with the Bloomberg School of Public Health.

Institutional Advancement is actually Jeff's second career. He spent the first 18 years of his professional life as a financial service professional. Jeff spent a dozen years on the trading floor as an institutional bond salesman, and another six years as a private banker and wealth manager. 

Jeff earned his BA from Tufts University and his MBA from New York University. He lives in Monkton, Maryland, with his wife, Stacie, an attorney.

Shawna M. Gottlieb
Chief Financial Officer

Shawna M. Gottlieb

Formerly Controller, Mrs. Gottlieb is now the Chief Financial Officer and has been working with Chimes since 2003. The chief financial officer has management oversight for all financial functions and oversees revenues, costs, capital expenditures, investments and debts. Mrs. Gottlieb has over twenty years of experience in accounting and finance. She started her career in banking and moved into accounting in 1998 while working in the for-profit sector. She has held positions in business management and accounting at Wolters Kluwer and Constellation Energy. She worked at Chimes previously, 1999-2001, and returned to the agency in 2003 as Assistant Controller. She states she enjoys working for an organization with a social mission like Chimes. Mrs. Gottlieb holds a Bachelor's degree from the College of Notre Dame in Maryland with concentrations in accounting and finance, and a Master’s of Business Administration degree from Loyola College (Loyola University Maryland).

Richard Gonsman
Chief Information Officer

Shawna M. Gottlieb

Mr. Gonsman joined The Chimes Family of Services in May 1999. Prior to joining Chimes, Rich served as Programmer/Analyst with Black and Decker from 1998 to 1999 and as Programmer/Analyst with Jos. A. Banks from 1995 to 1998. 

Mr. Gonsman became the Chief Information Officer with Chimes International Limited effective November 4, 2012. Prior to that, Rich served as the Director of Information Technology for Chimes from September 17, 2001 through January 3, 2004. Rich lives in Westminster with his wife, Karen.

Terry Allen Perl
President Emeritus

Terry Allen Perl

Terry Allen Perl led the Chimes Family of Services 1971- 2011. During his tenure Chimes grew from a single organization in Maryland serving 200 people with developmental disabilities to an internationally acclaimed network of services supporting over 17,000 individuals with a wide range of disabilities in six states, the District of Columbia and Israel. He has been a leader and member of numerous professional organizations including: ANCOR, CARF, AAMR, Maryland works, Baltimore City Mayor's Commission on Disabilities, Developmental Disabilities Council, Baltimore County Workforce Investment Council, and the Baltimore County Commission on Disabilities. He is a frequent lecturer, consultant and adviser to numerous provider agencies, advocacy groups, associations and government entities.