Meet Our Leadership Team

Anthony Vald├ęs, President

Anthony sets the strategy for transforming how CHS and our primary care providers engage and operate together to improve the quality and experience of healthcare delivered to our beneficiaries in fee-for-value, risk-based arrangements. He leads CHS’ value-based models such as Medicare ACOs and heads the development of advanced provider partnerships including Management Services Organization (MSO) solutions. Anthony joined WellCare Health Plans in 2013 and most recently served as the Medicaid vice president of market performance. Before joining WellCare, Anthony held a number of positions of increasing leadership responsibility, including vice president of Physical Medicine for Healthways, chief executive officer of Maryland Medicaid for UnitedHealth Group, and several financial management positions for Procter & Gamble. Anthony received a bachelor’s degree in finance from Florida State University and an MBA from Duke University.

Lorri Havlovitz, Vice President

Lorri Havlovitz is an experienced healthcare executive who has held leadership positions in healthcare insurance, provider contracting, operations, and practice management in payer and provider organizations. As Vice President of Collaborative Health Systems (CHS), she is responsible for overall Profit and Loss (P&L) of Accountable Care Organizations and programs in the northern region. She is responsible for the teams working with provider offices to improve quality, increase efficiency, and shift to value-based and risk-sharing partnerships. Lorri joined CHS in 2009 to lead Medicare Advantage development in Wisconsin, and launched one of the first Medicare Shared Savings Program (MSSP) ACOs in the country in 2012. She has been instrumental in the concept and development through implementation and ongoing analysis of several risk-sharing programs across the country.

Lorri has over 30 years of experience in the healthcare industry and has been asked numerous times by the Centers for Medicare & Medicaid Services (CMS) to share her knowledge of quality and improvement programs. She is an active member of the National Association of ACOs (NAACOS), where she is on their Board of Directors, and a member of American Physicians Group (APG). Lorri holds a master’s degree in Health Care Management.


Karen Holt, Vice President

Karen Holt is a healthcare executive with over 20 years of management experience in strategic management of healthcare organizations focusing on value-based care, provider network development, and group practice operations. Karen joined Collaborative Health Systems (CHS) as a Vice President in mid-2015. She manages six Accountable Care Organizations (ACO), including two in the Next Generation Accountable Care Organization (NGACO) Model, one Track 2 Medicare Shared Savings Program (MSSP) ACO, and three Track 1 MSSP ACOs in the southern region that help providers as they move through their journey of transitioning to value-based care. During the 2017 performance year, the Accountable Care Coalition of Southeast Texas, one of the two Next Generation Model ACOs she manages, generated $9.1 million in shared savings for the Medicare program.

Prior to joining CHS, Karen served as the Director of Physician Network Development for Memorial Hermann Health System in Houston, TX, and was a member of the strategy team that led the development of the Memorial Hermann ACO (MHACO). She was directly involved in the development, engagement, and transformation of 2,500 independent physicians in Memorial’s Clinically Integrated Network, where she focused on quality reporting and utilization management. The MHACO was the country’s number one Centers for Medicare & Medicaid Services (CMS) MSSP ACO in the country from 2013 through 2015.

Elena Tkachev, ACO Analytics

Elena focuses on transforming information into insight. Previously, Elena worked at McKinsey Solutions Office in Healthcare Value Analytics. Elena also held leadership positions at Horizon Healthcare Innovations, a subsidiary of Horizon Blue Cross Blue Shield (BCBS) of New Jersey, Anthem and Milliman. Elena earned an MBA from Fordham University and a BS in actuarial science and applied mathematics from Maryville University. She was a member of the Brookings-Dartmouth ACO Learning Network from 2011 to 2013.