Our Founder. Our Team.
Our Community. Our Partners.

Who We Are

Rian M. Yaffe founded Yaffe & Company, Inc. in 1976, and created a nationally recognized firm known for its expertise in executive compensation consulting.  Today, his son Alexander has taken the helm, and expanded the company’s services to include Leadership Development, Governance Advisory, and Physician Enterprise Solutions.

Our consultants have spent their careers as hospital/health system CEOs, and college/university presidents.  This deep bench of talent brings a broad and comprehensive perspective to your organization.

Find Out What Makes Our Team
Stand Out

Alexander Yaffe, our President & CEO, describes why we exist, how our talented team stands out, and the ways in which our Senior Consultants love to give back.

You and your team have been great. I felt like we were getting excellent, balanced and timely advice that had a lot of credibility with the Board.



Our Consultants


Alexander Yaffe

President & CEO
Higher Education

About Alexander:

Alexander began working at Yaffe & Company, Inc. in 2001. Alexander has held a number of roles during his career at Yaffe & Company, Inc. and in 2013 was promoted to President & Chief Executive Officer. As the second generation leader of Yaffe, he continues to advance the firm particularly through improved use of information technology and complimentary service lines. Alexander has developed expertise in the technical, operational, and governance aspects of executive compensation and deferred compensation plan design and implementation, as well as the regulatory requirements of compliance with numerous Internal Revenue Code Sections. His expertise extends to physician compensation governance and administration, Fair Market Value Assessment, and physician compensation plan design. He has assisted numerous not-for-profit Boards with assessing executive compensation programs, executive performance evaluation methods, retirement plan designs, leadership transition, and succession planning. In addition, he works with hospitals and integrated systems to develop comprehensive physician compensation governance practices, assess current-state compensation and productivity relative to market, and the development of next-generation plan designs. In his work, Alexander aims to achieve optimal alignment of expectations, understanding, and performance in an evolving healthcare landscape that impacts both organizations and individuals. In addition to consulting with clients, Alexander has been part of expert panels on these topics, given presentations, and has led Board education programs nationally. In 2012, he co-authored a monograph for the Center for Healthcare Governance titled The Expanding Role of the Compensation Committee. In 2013, Alexander co-authored an article for Trustee Magazine titled Ready for the Unthinkable, focused on implementing an emergency succession plan for key leaders. Most recently, Alexander published his second Monograph with the Center for Healthcare Governance titled The Health System-Physician Relationship Continuum: What Boards Need to Know (Oct 2015).

John Tolmie

Senior Vice President
Higher Education

About John:

John K. Tolmie joined Yaffe & Company in 2016 as Senior Vice President and as a Senior Consultant. John is also CEO of TTG Healthcare. John has served in executive positions in healthcare, including 15 years as CEO of not for profit hospitals and health systems. In his role John has established the vision, strategic direction, operational oversight, leadership development, quality services, strategic partnerships, and fulfilling the mission of the communities served. John has extensive board experience, as both CEO and board member or many organizations. This includes serving seven years on the board of Notre Dame of Maryland University, serving on the Executive Committee, Chair of Enrollment Management Committee, Compensation Committee, and Strategic Planning Committee. In addition, John has served on the board of numerous hospital and community boards, focused and strategic planning, leadership development, and fulfilling the organization’s mission. John is also Vice President of the Faraja Fund Foundation, which supports a primary school in Tanzania, Africa, which brings hope to disabled children through physical therapy and education. John has assisted Tanzanian organizations with animal projects, water projects, capacity building, HIV/AIDS treatment, healthcare dispensary support, famine relief, hospital support, scholarships, and the distribution of 65,000 free mosquito nets to 19 villages. John holds an MBA and MHA from Georgia State University. He and his wife chaired the Parents Council at his alma mater, Virginia Tech, and they live in Baltimore, Maryland.

  • Bob Colvin

    Bob Colvin

    Governance Advisement Practice Lead
    Higher Education

    About Bob:

    Bob Colvin has more than 25 years of experience leading hospitals and health systems. These include a 500+ bed academic medical center, for-profit facilities, suburban facilities, and small rural hospitals. He has operated a large multi-specialty physician group, regional ambulance services, home health agencies, and community primary care clinics. He has also served as a Group Vice President for Quorum Health Resources (QHC). Bob has served on the American Hospital Association’s Metropolitan Governing Council, and has also chaired both the Georgia and the Idaho Hospital Associations. He is a Fellow in the American College of Health Executives, and he has received the prestigious NOVA award from the AHA for his work in healthcare for the homeless. Organizations under Bob’s leadership have been recognized by Fortune Magazine as among the 100 Best Companies to work for in America, and by Consumer’s Digest as among the 50 safest hospitals in America.

  • Bonnie Phipps

    Bonnie Phipps

    Executive Compensation & Performance Practice Lead
    Higher Education

    About Bonnie:

    Bonnie Phipps has more than 35 years of healthcare experience, ranging from CFO to CEO in non-profit hospitals, and in several large system executive roles. She has focused on physician relationships, strategic planning, operational performance, and affiliations and mergers. Bonnie has held board positions in many non-profits and several governmental agencies. A CPA, FHFMA and CMCP, she has served as national Chair of the Healthcare Financial Management Association (HFMA), has been named multiple times as a Top 100 Healthcare Executive, and has been inducted into the Georgia State Business Hall of Fame. Bonnie has a Bachelors in Business Administration, summa cum laude from Georgia State University and a Masters in Professional Accountancy. She lives with her husband in Baltimore, Maryland.

  • Larry Unroe

    Larry Unroe

    Rural/Critical Access Practice Lead

    About Larry:

    Larry joined Yaffe & Company in 2011 as a Senior Consultant. He is the retired CEO of Memorial Health System in Marietta, Ohio. He was named president and CEO of Marietta Memorial Hospital in 1984, and during his tenure he grew the stand-alone community hospital into a regional health care provider and comprehensive health system. He also oversaw five major expansion projects, significantly increased the breadth of services offered, and developed a physician employment model. Under his leadership, Memorial Health System grew significantly in the number of employees and was selected as a top ten employer in Ohio in 2008. Larry was awarded the Marietta Business Leader of the Year In 2004 and was the recipient of the Ohio Hospital Association’s Distinguished Service Award in 2009. Larry currently serves on the Boards of Washington State Community College, Marietta Family YMCA, Marietta Memorial Hospital Health Foundation, and a number of other boards in the Marietta area. He previously held board and leadership positions with the Ohio Hospital Association, Ohio Valley Hospital Consortium, Southeast Ohio Port Authority, and Friends of Ohio Hospitals. Larry received a Masters of Health Administration from Virginia Commonwealth University and a bachelor’s degree in accounting from Marshall University. He and his wife reside in Marietta, Ohio.

  • Mark T. O’Neil, Jr., FACHE

    Mark T. O’Neil, Jr., FACHE

    Leadership Development Practice Lead
    Higher Education

    About Mark:

    Mark O’Neil joined Yaffe & Company in 2014 as a Senior Consultant. With thirty years of Healthcare leadership experience, Mark O’Neil provides consulting services in the areas of Leadership Development, Governance, Strategic Planning and Operations improvement. Mark most recently served as the Chief Executive Officer of Hilton Head Regional Healthcare, a Tenet owned facility in South Carolina. Previously, he served in several leadership positions at Catholic Health East, including President and Chief Executive Officer of Mercy Health System of Southeast Pennsylvania, Executive Vice President of the Mid-Atlantic Division and Corporate Chief Operating Officer. As Chief Operating Officer, he was responsible for coordinating operations of over 100 Health Care facilities in 11 states, with over 46,000 employees and a 4.6 billion dollar operating budget. Earlier in his career, Mark served as a member of the Senior Management Team at the University of Rochester’s Strong Memorial Hospital where he gained valuable experience in academic medicine and provided leadership for several administrative and support functions. He served as President and Chief Executive Officer of United Health Services in Binghamton, N.Y., where he facilitated the development of an 85 member multispecialty physician group, home care companies, rural hospitals and a long term care facility into the Integrated Health Care System. Mark’s uncompromising integrity and commitment to excellence have led to board positions with several professional organizations including the Central New York Hospital Association, the Iroquois Healthcare Alliance, VHA of Upstate NY, the Hospital Association of New York, the Catholic Hospital Association of Pennsylvania and the South Carolina Hospital Association. Mark also served on Governor Mario Cuomo’s Health Care Advisory task force and as Chairman of the Board of the Keystone Mercy Health Plan, a Medicaid Managed Care plan serving several states, with over 850,000 members. An advocate for community service, Mark has served as the Chairman of the Board of United Way and the Chamber of Commerce and volunteered his time as a member of many not for profit and educational organizations throughout his career. Mark’s high-level of community involvement and extensive knowledge of the Health Care environment have made him a frequent guest speaker at community group meetings and events. Mark received his Bachelors and Masters degree in Business Administration from the Rochester Institute of Technology in Rochester, NY. He is a fellow in the American College of Health Care Executives. Mark and his wife Ann reside in Hilton Head, South Carolina. They have four daughters and are active members of their community.

  • Michael Merson

    Michael Merson

    Senior Consultant

    About Mike:

    Mike Merson joined Yaffe & Company, Inc. in 2001 as a Senior Consultant. He is a retired President of MedStar Health, the largest integrated health care delivery system in the Baltimore/Washington corridor. He held leadership positions in the Maryland Hospital Association, along with several other professional and community associations. He recently completed his term as Chairman of the Board of CareFirst – BlueCross/Blue Shield and currently serves on the Executive Committee of the Baltimore Museum of Art. Mike has extensive experience consulting with a variety of healthcare institutions. His areas of expertise include executive compensation, succession planning, CEO transition planning, health system strategic planning, primary care medical home strategy and transition to improving the value equation for health systems, and merger and affiliation strategy. Mike received a bachelor’s degree from the University of Denver and a MBA from George Washington University. He and his family reside in Baltimore, Maryland.

  • Peggy Naleppa

    Peggy Naleppa

    Senior Consultant
    Higher Education

    About Peggy:

    Dr. Peggy Naleppa has a 40-plus year history as a healthcare executive, and is the retired President/CEO of Peninsula Regional Medical Center (PRMC) and Peninsula Regional Health System (PRHS) in Salisbury, Maryland. She is a registered nurse, and holds a Bachelor of Science in Healthcare Administration from St. Josep's College; a Master of Administration degree with a concentration in Finance from the University of Maryland, U.C.; an MBA with a concentration in medical services from Johns Hopkins University; and a Doctorate in Management with a concentration in organizational process management from the University of Maryland, U.C. She has also received an honorary doctorate from the University of Maryland, Eastern Shore for Public Service. Dr. Naleppa is a graduate of the Rutgers University Executive and Leadership coaching for Organizational Performance program, an ICF ( International Coach Federation) considered a "gold standard" in the industry.

  • Rick Lopes, M.D.

    Rick Lopes, M.D.

    Physician Enterprise Solutions Practice Lead

    About Rick:

    Richard T. Lopes, MD, MBA joins Yaffe & Company as a Senior Consultant focusing on provider services. Dr. Lopes brings more than thirty years of experience in medical group, hospital and health system administration. He recently retired from SCL Health where he served as Executive Vice-President and Chief Population Health Officer. He is board certified in Internal Medicine and his career has included leadership roles in large multispecialty group practice, clinical effectiveness program development, health plan management, hospital and health system governance and leadership development, clinical quality and safety, and clinical information systems. He will be focused on helping client organizations develop, grow and refine their provider strategies and infrastructure.

  • Warren A. Green

    Warren A. Green

    Senior Consultant

    About Warren:

    Warren A. Green joined Yaffe & Company in 2013. Prior to his consulting role, Warren served as President and Chief Executive Officer of LifeBridge Health from 1998 to 2013. LifeBridge Health is a three hospital regional health care system in Baltimore, Maryland. In 2010, LifeBridge was named as one of the Top 100 Employers in America by Fortune Magazine, sharing this honor with companies such as Google, Four Seasons Hotels and Apple. Prior to his role at LifeBridge, Warren was the President and CEO of Sinai Hospital of Baltimore. He also served as the CEO of hospitals in Minneapolis, St. Paul, and Philadelphia. In the course of nearly 45 years of executive management in health care administration, Warren has developed a deep expertise in strategic planning, marketing, financial management and human resources. In addition to his role at LifeBridge Health, Warren also served on a number of non-profit boards, including: the Chesapeake Region of the American Red Cross, United Way of Central Maryland, the Economic Alliance of Greater Baltimore, the Maryland Patient Safety Center, and The Center Club. He also chaired the Compensation Committee of the Maryland Hospital Association. In addition, he serves as a Commissioner of Maryland Public Broadcasting and as a member of the Maryland Public Broadcasting Foundation. Warren possesses a master’s degree in health care administration from the University of Pittsburgh. Warren and his wife live in Owings Mills, Maryland.

Our Team

Brittney Frazier

Corporate Services Director

Miriam Goldberger

Finance and Operations Director

Christina Grimes

Client Services Director

Samantha Richmond

Client Services Consultant

Mike Thompson

IT and Performance Data Manager

Peter Wertheimer

Client Services Consultant

Precious Wolo

Data Analytics Director

Our Community

At Yaffe & Company, we each have strong ties to non-profits. We consider it our duty to give back, and we do our part to improve the lives of others. In the process, we become enriched.

Our Partners

We choose to work only with experts and partners who are top in their fields, and who care as deeply as we do about the success of your organization.