AboutExecutive Leadership

Executive Leadership

With combined health care experience that spans decades, the Sg2 leadership team brings a unique understanding of the strategic, clinical, financial and operational issues that hospitals and health systems face.


Aaron Gerber, MD, MBA President

As Sg2 president, Aaron provides overall leadership and strategic direction, guiding Sg2 to further expand its suite of analytics-based health care intelligence to help hospitals and health systems drive growth and performance across the continuum of care. A values-driven leader with an entrepreneurial spirit, Aaron has 18 years of experience...

Steve Waldon, Chief Technology Officer

Steve Waldon Chief Technology Officer

As Sg2’s chief technology officer, Steve leads the strategy and product development of Sg2’s proprietary data and analytic systems with nearly 30 years of experience in the health care and Internet technology industries, including the development, research and strategic marketing of technology products. Previously, Steve spent several years developing algorithmic...

Bill Woodson, Senior Vice President - Center for Strategic Planning

Bill Woodson Senior Principal

Bill is a senior principal and national thought leader for Sg2. He co-leads Sg2’s Intelligence team, focusing on developments in health care strategy and growth. He and his team develop advanced analytics, publications, courses and conferences for more than 1,200 organizations across the health care industry. A noted speaker on...

Joan Moss, RN, MSN, Senior Vice President and Chief Nursing Officer - Center for Performance Strategy

Joan Moss, RN, MSN Senior Principal and Chief Nursing Officer

As a senior leader of Sg2’s Intelligence team, Joan works with client executive leaders to improve growth and performance across the care continuum, predicated on the doctrine that success depends on an organization’s ability to demonstrate strong performance in clinical effectiveness, workforce planning, care continuum development/redesign and ambulatory network planning....

Jim Reilly

Jim Reilly Senior Principal

As a senior principal of Sg2 Consulting, Jim provides leadership and strategic direction for consulting services that develop strategy for health systems and medical groups to drive growth and elevate the value of care provided. Jim’s health care career spans more than 20 years and includes significant nationwide consulting engagements...

Catherine Maji Vice President

As vice president and leader of Sg2’s Consulting team, Catherine brings 20 years of health care and professional service experience to Sg2. She oversees the Consulting practice and leads strategic consulting engagements. Additionally, she is responsible for Sg2 custom education offerings. Previously, Catherine led Sg2’s thought development for topics including...

Eric Themm

Eric Themm Senior Principal

As a senior principal of Sg2 consulting, Eric brings more than 25 years of experience in the health care industry, working with a broad range of health care organizations with a strong emphasis on hospitals and multiprovider systems. Eric’s areas of expertise and professional skills include mergers and acquisitions, strategic...

John Becker, Senior Vice President - Sales and Client Engagement

John Becker Senior Vice President - Strategic Accounts

John directs Sg2’s Strategic Accounts and Client Relations teams, working with major health care organizations across the US and around the globe. He and his team are responsible for developing relationships with academic medical centers, premier integrated delivery systems and prominent national health systems, and delivering on Sg2’s value proposition....

Tom Potter, Senior Vice President - Sales and Client Service Delivery

Tom Potter Senior Vice President - Business Development

As the senior vice president of business development for Sg2, Tom is responsible for a team of sales individuals that support more than 1,200 health care organizations. In this role, he is responsible for helping hospitals and health systems across the US identify new opportunities for growth and profitability and...

Jade Olson Vice President, Finance, and Privacy Officer

As the head of finance for Sg2, Jade oversees financial reporting, budget preparation and certain financial statement-related audits. As Sg2’s privacy officer, he ensures Sg2’s policies and procedures meet Health Insurance Portability and Accountability Act (HIPAA) standards to maintain the privacy and security of patient data Sg2 receives from client...

Nicole Cumorich Vice President

More information coming soon.

"Analytics and expertise to help you understand market dynamics and capitalize opportunities for growth."

As of February 11, 2016, Vizient, Inc. has completed its purchase of MedAssets Sg2 and spend and clinical resource management segments from Pamplona Capital Management, LLC. MedAssets revenue cycle business will continue to operate as a wholly-owned subsidiary of Pamplona Capital Management LLP.

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