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.


Madeleine McDowell, MD, FAAP

Madeleine McDowell, MD, FAAP Principal and Medical Director of Quality and Strategy

Madeleine leverages a decade of clinical experience in leading the development and application of Sg2’s data analytic tools and providing clinical insight for all Sg2 research—service line, strategic planning, performance strategy and clinical technology. As medical director, she provides thought leadership in quality in collaboration with experts across the Vizient...

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...

Jeffrey Moser Principal

As a thought leader on the shift to value-based care, Jeff prepares clients by helping them understand the implications of both macro- and microlevel emerging trends impacting health care. He plays a key role in the development of Sg2 Intelligence resources and educational offerings and is a frequent presenter and...

Steve Jenkins Senior Advisor

Steve contributes to Sg2’s work in the areas of strategy and growth, which he previously led as senior vice president. He works with Sg2 clients on a broad array of strategic issues and provides editorial direction for the firm’s intelligence and analytics. An expert on health policy and the economy’s...

Valinda Rutledge Sg2 Fellow

Valinda is responsible for assisting in the development of Sg2’s national thought leadership regarding payment transformation. Valinda is also the vice president of public payer health strategy in the Care Coordination Institute at Greenville Health System in South Carolina. She is responsible for identifying, analyzing and supporting the implementation of...

Joshua Aaker, PhD Director

As a member of Sg2’s Intelligence team, Josh contributes to the development of cardiovascular intelligence by evaluating the impact of emerging trends and technologies on care delivery. He helps develop Sg2’s cardiovascular offerings, including publications, educational events and analytical tools. He also is active in working with Sg2’s life science...

Tawnya Bosko, DHA Principal

Drawing upon 20 years of experience in health care management and strategy, Tawnya collaborates with health systems and payers to develop innovative and detailed plans for future growth. She has advised clients on strategies for mergers/acquisitions and the development of clinically integrated networks, strategies for provider-owned health plans, and overall...

Amy Brouhle

Amy Brouhle Vice President, Business Development

As a vice president of business development, Amy is responsible for new business growth focused on the supplier segment of the market, including pharmaceutical, medical device and life science companies. Prior to joining Sg2, Amy worked with Press Ganey Associates Inc as vice president of ambulatory services, where she guided...

Justin Cassidy, PhD Senior Director

As part of Sg2’s Intelligence team, Justin leads efforts surrounding the medicine service lines, academic medical centers and the rapidly evolving area of precision medicine. He tracks the strategic implications of emerging clinical trends and shares his findings with Sg2 members throughout the country. Justin’s future-focused research is grounded in...

Trevor DaRin Director

As a director on Sg2’s Enterprise Strategy team, Trevor works with members on primary care/access strategy, rural health, Medicare Advantage and strategic planning. Trevor also worked for 5 years on the account services team, interacting directly with health systems around the country to maximize Sg2 analytics and other resources. Prior...

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...