Our Management

At Intervention Associates, our senior managers not only guide the organization, but also work side-by-side with our care management staff to devise the best solutions for families and their loved ones. They also work hands-on with professional advisors to help them get the support they need for their clients.

Sheila Weiner, MSW, LCSW
Executive Director

Sheila Weiner joined the organization in November 2012 as executive director of Intervention Associates and its sister organization, Caring Friends Home Care. In this leadership position, Sheila oversees and coordinates all of the operations and services provided by both organizations. She is also responsible for implementing business development and marketing initiatives.

Sheila has more than 25 years of clinical and managerial experience in social services, mental health, acute care, health-care related nonprofit organizations and geriatric care management. Committed to advocating for diverse populations to ensure that they receive the necessary support services, Sheila has maintained a professional focus in the area of health-care services throughout her career. She is a longtime member of the National Association for Social Workers.

Elise N. Lamarra, RN, BSN
Vice President of Clinical Operations

Elise Lamarra joined the Friends Life Care System in March 2007. She was promoted to vice president of clinical operations in 2009. In this position, Elise oversees two of the organization's subsidiaries: Intervention Associates and Caring Friends Home Care, a nonmedical home care agency. She supervises the Care Coordination and Admissions Departments of Friends Life Care, a membership-based provider of continuing-care-at-home plans, and also serves as corporate risk manager for the entire Friends Life Care System.

A registered nurse, Elise has nearly 30 years of clinical, administrative and managerial experience in acute care, home health care, hospice care and managed care. She has devoted a majority of her career to home care and hospice work and has held executive positions for the last 18 years. She is a member of the Pennsylvania Home Care Association and serves on its public policy committee.

Dianna Rienstra serves as chief financial officer/corporate controller/treasurer of the Friends Life Care System and its subsidiary corporations Intervention Associates and Friends Life Care. In this role, she oversees, coordinates and supervises all finance and technology needs for Intervention Associates.

Dianna joined Friends Life Care System in 2007, after a long, successful career in public accounting where her primary expertise was in the area of audit, tax and consulting services for nonprofit organizations.

A graduate of Montclair State University in Upper Montclair, New Jersey, Dianna holds a Bachelor of Science degree in business administration with a major in accounting, and is licensed as a certified public accountant in Pennsylvania. She is a member of both the American Institute of Certified Public Accountants (AICPA) and the Pennsylvania Institute of Certified Public Accountants (PICPA).

Margaret Finnegan, BA
Client Services Manager

Maggie joined the organization in September 2012 and serves as initial contact for all referrals for both Intervention Associates and its sister organization, Caring Friends Home Care. In her role as client services manager, Maggie helps clarify clients' immediate needs, collects key information, and hand picks an Intervention Associates care manager, as needed, to arrange and oversee all our clients' care. Clients who need home care services are matched with the appropriate caregiver by Sandra Grant, Caring Friends' Home Care Coordinator.

Before joining the organization, Maggie served for nine years in a variety of capacities at a large community area agency on aging (AAA). Her positions there included assessor for home and community-based services and care manager for the Aging Waiver Program. Well versed in the broad scope of available community resources, Maggie helps ensure that our clients are connected with all the supports they need to live with dignity in their communities.