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.


Michael Lutkus Principal

Michael has extensive experience working on physician alignment projects with various specialists and primary care physicians across the US. In addition to facilitating independent physician practice acquisitions and performing physician/extender compensation modeling, Michael has distinct expertise helping hospitals and physicians jointly craft clinical comanagement agreements that are win-win for both...

Joe Maher

Joe Maher Associate Principal

As a leader on Sg2’s Consulting team, Joe collaborates with health systems, provider networks and industry partners to develop and drive strategies that better position organizations for success in an evolving environment. Within value-based care, he partners with organizations to bring together economic models and structures that align with the...

Jesi Malloy

Jesi Malloy Principal

Jesi Malloy is a health systems industrial engineer with over 20 years of experience in health care with an emphasis in process improvement techniques, data analytics and benchmarking performance. She holds certifications in Lean process improvement and a Six Sigma Green Belt. From high-level performance improvement to patient-level process flow...

Jeremy C Miller, MD Fellow

Jeremy contributes to Sg2’s intelligence on health care utilization trends, strategic planning, technology integration, physician alignment and clinical operations. His areas of clinical expertise include obstetrics and gynecology and minimally invasive surgery. Jeremy leverages his experience as a practicing physician and is an expert presenter and facilitator at various Sg2...

Sommer Miller, FACHE Associate Principal

As an associate principal on Sg2’s Consulting team, Sommer supports clients to reimagine their care delivery models, patient experience, market strategies and built environments. She has over 15 years of health care provider and consulting experience, with expertise in strategy, operations, finance and design. Her expertise spans the care continuum...

Brianna Motley

Brianna Motley Principal

Brianna is responsible for driving thought leadership and content development for Sg2 and Vizient members on topics that span the System of CARE, including ambulatory strategy, service distribution, post-acute care and digital health. She is an experienced strategist; prior to her current role, she served as a lead on Sg2’s...

Kristin Oberfeld

Kristin Oberfeld Principal

As an Sg2 Principal, Kristin specializes in projects across the spectrum of physician alignment, paying particular attention to bundled payments and other value-based care services. She is a continuous innovator of episodic analytic support mechanisms, a mentor to consultants and an industry presenter. Kristin has over a decade of health...

Heidi Pandya

Heidi Pandya Principal

Heidi has nearly 20 years of health care provider and professional service experience, with expertise in strategic planning and operational improvement. As a principal on Sg2’s Consulting team, she manages complex strategic engagements with academic medical centers, national health systems, regional health systems and community hospitals. A trusted advisor to many...

Kimberly Radel

Kimberly Radel Associate Principal

Kim serves as a leader in the Value Transformation Consulting practice, specializing in finding cost-effective ways to improve quality and operations in alternative payment models, care management strategy, post-acute strategy and care model redesign across multiple service lines. Her 20 years of experience in implementing new solutions in an evolving...

Andrew Rebhan

Andrew Rebhan Senior Director

As a director on Sg2’s Intelligence team, Andrew supports the System of CARE practice area through his research on virtual health strategy. Additional areas of interest include artificial intelligence, consumer medical technology, psychosocial principles and other emerging technologies. Andrew keeps members up to date on the latest technology trends and...

Tori Richie

Tori Richie Senior Director

As a Senior Director on the Sg2 Intelligence team, Tori leads Sg2’s proprietary Impact of Change® forecasting product, which projects 10-year patient demand across inpatient and outpatient services. She focuses her research on macro-level trends impacting future health care utilization trends and works closely with Sg2’s team of service line...

William Ringwood

William Ringwood Associate Principal

Bill works on Sg2’s Consulting team, specializing in financial planning and forecasting for value-based care, physician alignment, managed care contracting and payer strategy initiatives. With 15 years of health care provider, payer and consultancy experience, he brings a unique strategic perspective to his clients that is rooted in financial rigor....