Our People Make All the Difference
The RiverSpring Living team is here to help you and your loved ones live your best life. Discover our commitment to healthy aging, years of leadership expertise, and dedication to our communities.
David V. Pomeranz
President & Chief Executive Officer
David V. Pomeranz is a 39-year veteran of RiverSpring Living. An industry leader in the application of emerging technologies for adult care, he is spearheading Hauser Care Connect, a national model that is testing and implementing new technologies to address the evolving needs of older adults. He has expertise in strategic and visionary planning and the development and operation of new programs and has shepherded a variety of innovative services and service delivery models. Pomeranz has been instrumental in building a dynamic relationship with the New York Presbyterian hospital system. Previously, he served as RiverSpring Living’s Chief Operating Officer, and managed the day to day operations of the entire portfolio, including senior residences, assisted living, memory care, rehabilitation services, home care, managed long-term care, and the nationally acclaimed Hebrew Home at Riverdale.
Deborah M. Messina
Chief Operating Officer
With more than 20 years of service, Deborah has built a distinguished career at RiverSpring Living marked by leadership, innovation, and a deep commitment to the organization’s mission.
Starting in Human Resources, Deborah developed a strong foundation in people and culture before moving into Business Development, Marketing, and Sales, where she helped strengthen RiverSpring Living’s presence and impact. Deborah’s proven ability to lead with both strategy and heart led to her appointment as Senior Vice President of Operations, overseeing programs and services that enhanced efficiency and elevated the resident experience.
Today, as Chief Operations Officer, Deborah brings this breadth of experience to guide operations across the organization. Her leadership not only honors RiverSpring Living’s legacy but also advances a clear vision for its future—ensuring the organization remains a trusted leader in senior care and innovation.
Ann Marie Hennessy
Chief Clinical Officer
As RiverSpring Living’s Chief Clinical Officer and Licensed Nursing Home Administrator for the Hebrew Home at Riverdale, Ann Marie’s responsibilities include providing leadership, overseeing clinical operations and regulatory oversight for the nursing home. Ann Marie brings deep expertise in nursing, regulatory compliance, quality improvement, and interdisciplinary team development and leads the strategic vision and execution of all clinical programs, ensuring the highest standards of quality, safety, and resident-centered care. Ann Marie collaborates closely with the medical team, frontline caregivers, and families to foster a culture of compassion, innovation, and accountability. During her over thirty-year tenure at RiverSpring Living, Ann Marie has held numerous positions within the organization’s housing, adult day care services, skilled nursing and corporate compliance divisions. Ann Marie Hennessy is a Registered Nurse with a Master’s in Business Administration from Iona College and Master of Science from the University of Mount Saint Vincent.
David Siegelman, PT, RAC-CT
Senior Vice President of Quality and Corporate Compliance
David Siegelman has over 25 years of experience in driving innovative and high-quality outcome-based healthcare services. In his current role, he works with the executive team to produce clinically meaningful outcomes throughout RiverSpring Living’s continuum of care while overseeing the subacute, homecare and outpatient services. RiverSpring Living’s close relationship and partnership with hospitals is a result of David’s leadership of innovative programs and first-in-class patient outcome measures. As a result, RiverSpring Living is a preferred provider for four of the largest health systems in the NY Metropolitan region.
Since graduating from Ithaca College with a Master’s Degree in Physical Therapy, David has demonstrated expertise in clinical and systems management in acute care and post-acute care services. David enjoys sharing his expertise in population health, the use of award-winning technology and quality measures, with his patients, colleagues and while presenting on a national stage.
Wendy Steinberg
Chief Communications Officer
Wendy is passionate about leveraging communication as a catalyst for social good, particularly in reframing the conversation around aging. As Chief Communications Officer, Wendy helps shape and convey RiverSpring Living’s mission, values, and impact to internal and external audiences through media relations, social media, community engagement, and internal communications.
With over three decades of experience, Wendy has a deep expertise in storytelling, reflecting the magical qualities of older adults and the innovation and advancements of RiverSpring Living.
Wendy is also the architect of RiverSpring Living’s Golden Dreams program which fulfills lifelong dreams for residents – from experiencing college for the first time to ballroom dancing with a prosthetic leg.
In recognition of her achievements in the field of communications, Wendy was honored with the 2019 LeadingAge New York Advocacy Award and was among the professionals listed in the 2021 Crain’s New York Business Notable in Marketing and PR.
David Finkelstein
Chief Information Officer
As Chief Information Officer, David oversees all enterprise-wide IT operations, and the administration of grant-funded technology initiatives designed to enhance services for residents, patients, and staff. With over 40 years of experience in healthcare information technology, David has a deep focus on post-acute and long-term care with expertise in IT strategic planning, infrastructure management, desktop and application support, project management, vendor selection, cybersecurity, risk management, strategic outsourcing, digital transformation, and team leadership.
David is a recognized leader in the field, serving as a Commissioner for LeadingAge CAST, a HIMSS Fellow, and an active member of the HIMSS LTPAC Committee. He contributes his expertise to the Bronx RHIO Technology Steering Committee, the SHIN-NY Policy Committee, and Hofstra University’s School of Health Sciences Advisory Board. In addition, he advises several health tech and aging-focused organizations, including Meela.ai, Careally.ai, and AgeTech NYC.
Matteo Renna
Chief Human Resources Officer
Matt brings nearly 30 years of Human Resources leadership across healthcare, higher education, the private sector, and consulting to RiverSpring Living. In this role, he leads all aspects of the organization’s human resources function, including employee engagement, workforce planning, talent development, labor relations, compensation and benefits. Matt is dedicated to building a workplace culture that reflects RiverSpring Living’s mission of compassionate, person-centered care for older adults. Throughout his career, he has led transformative initiatives that enhance employee experience, drive organizational performance, and support the well-being of a diverse workforce. He is passionate about leveraging data and analytics to uncover emerging workforce trends and shape forward-thinking HR policies. In 2018, he received the Jefferson Award for Public Service in recognition of his commitment to community impact. Matt holds a BA in Mathematics from Baruch College, an MS in Human Resources Management from Boston University, and multiple professional certifications in human resources.