Sg2 Experts

Sg2’s team of experts leads the development of analytics, intelligence and consulting. Their thoughtful analysis and provocative opinions guide health care leaders as they navigate the evolving health care landscape.


David DiLoreto, MD, MBA, FACS

David DiLoreto, MD, MBA, FACS Principal

David DiLoreto is a principal at Sg2 and a physician executive with 2 decades of experience in health system, physician practice and managed care strategy and operations. Prior to Sg2, Dr DiLoreto provided health care consulting and advisory services as senior vice president at GE Healthcare. Additionally, he served as...

Brian Esser

Brian Esser Associate Principal

Brian is an enterprise strategy thought leader overseeing the development of Sg2 intelligence offerings related to federal and state payment and policy dynamics, revenue growth, scale, and the impact of value-based care delivery on health systems and suppliers. He supports health system executives and physician leaders in the development of...

Matthew Fadel Associate Principal

As a leader on Sg2’s Consulting team, Matt focuses on physician-hospital alignment models (eg, accountable care organizations [ACOs], clinically integrated networks [CINs], comanagement agreements) and strategic planning, both service line–wide and enterprise-wide. He specializes in engagements around the design, development and implementation of ACOs, CINs and comanagement agreements, and he...

Jack Friedman, PhD Sg2 Fellow

Jack contributes to Sg2’s intelligence on health care utilization trends, strategic planning, health care policy, physician alignment and clinical operations. His areas of expertise include health care payment and policy trends, integrated delivery networks, telemedicine, population health, and risk-based payment models, including Medicare Advantage and accountable care delivery. He is...

Rhae Ana Gamber Director

Rhae leverages her clinical experiences in maternal fetal medicine and pediatrics to monitor key trends and conduct research to inform client strategic decision making and develop related Sg2 intelligence materials for women’s health and pediatrics. Her focus on high-risk pregnancy, neonatology and pediatric chronic conditions plays an integral part in...

Chad Giese Associate Principal

As the leader of the cardiovascular team, Chad develops Sg2’s cardiovascular intelligence and strategic insights to help members navigate the current landscape and future projections for CV services. He works closely with members via calls, webinars, retreat facilitation and consulting engagements to help inform and advise future strategic direction on...

Ron Herzig, PhD Principal

As a consulting principal on Sg2’s Life Sciences and Industry team, Ron leads strategic engagements with the pharmaceutical industry (pharma), medical device companies and distributors to provide market insights and direction on their strategically important growth areas. He brings over 2 decades of international experience working in strategic leadership roles...

Mark Holmquist

Mark Holmquist Associate Principal

As part of the Life Sciences and Industry team, Mark leads the sales and delivery of MarketPulse, one of Sg2’s newest product offerings. MarketPulse provides medical device and pharmaceutical drug purchase data from over 3,500 health care facilities in the US, including hospitals, ambulatory surgery centers and physician offices. Mark...

Cory Jones

Cory Jones Associate Principal

As a leader on Sg2’s Intelligence team, Cory develops oncology intelligence and strategic insights to help members navigate the current landscape and future projections for oncology services. He provides expert insight on cancer service trends, national forecasts, service line optimization and strategic planning for health care organizations across the country....

Jeffrey Kalicki

Jeffrey Kalicki Associate Principal

As a member of Sg2’s service delivery team, Jeff works with a select group of Sg2’s growth and performance analytics customers to help them derive information from data, uncover meaningful trends, and make informed decisions to drive growth and improvement. He strives to ensure that each organization receives the highest...

Karl Karlsson, PhD

Karl Karlsson, PhD Principal and General Manager

As the lead on the Sg2 Life Sciences and Industry team, Karl leverages nearly 20 years of life sciences experience to develop strategies and solutions for biopharma, medical device, distributors, health IT and finance services. On a day-to-day basis, he helps position Sg2 as a strategic advisor in partnerships between...

Karyl Kopaskie, PhD

Karyl Kopaskie, PhD Associate Principal

Karyl applies her research and strategy expertise to leading the women’s health and pediatrics team, while working closely with her clinical and enterprise counterparts. She is a thought leader specializing in service line strategy and program development, as well as key trends impacting women’s and children’s services. Collaborating with Sg2’s...