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

Aaron provides overall leadership and strategic direction for Sg2, guiding the organization to enable health care executives to make better, faster strategic decisions through Sg2’s unique combination of expertise and analytics. A values-driven leader with an entrepreneurial spirit, Aaron has 20+ years of experience working with a broad set of...

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 visionary on the future of health care and serves as a national thought leader for Sg2. As senior principal, he leads Sg2’s strategic planning research, focusing on developments in health care strategy, policy and growth. He is a frequent keynote speaker at Sg2 events and other industry...

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

Joan Moss, RN, MSN Senior Principal and CNO

As the senior leader of Sg2’s performance strategy research, 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...

Jim Reilly

Jim Reilly Managing Principal

As part 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 with health...

Catherine Maji Vice President, Consulting and Intelligence Operations

As an Sg2 veteran of 11 years, Catherine provides operations oversight and talent management development for the Sg2 Consulting and Intelligence teams, leveraging more than 20 years of health care and professional service experience. Previously, Catherine led consulting engagements as well as thought development for strategic topics, including ambulatory strategy...

Eric Themm

Eric Themm Managing Principal

As a member of the Sg2 Consulting team, 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,...

John Becker, Senior Vice President - Sales and Client Engagement

John Becker Senior Vice President

As an Sg2 veteran of more than 12 years, John leads Sg2’s Service and Strategic Accounts teams, partnering with academic medical centers, premier integrated delivery systems, prominent national health systems and leading community hospitals to deliver Sg2’s value proposition, while helping set and execute the organization’s strategic direction as a...

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

Tom Potter Senior Vice President - Business Development

As a senior vice president for Sg2, Tom is responsible for Sg2’s business development teams that support more than 1,500 health care organizations. He helps senior health care leaders across the country identify new opportunities for growth and profitability, as well as introducing prospective clients to Sg2’s products and services....

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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