GuideWell Executive Leadership Team

Our proactive executive leadership team combines the wisdom of experience with a rare ability to approach challenges with fresh, imaginative thinking. By partnering accountability with innovation we’ve created a winning corporate culture.


Patrick “Pat” Geraghty

President and CEO,
GuideWell Mutual Holding Corporation, Florida Blue and GuideWell Group, Inc.

Patrick “Pat” Geraghty is president and chief executive officer (CEO) of GuideWell Mutual Holding Corporation, Florida Blue and GuideWell Group, Inc. GuideWell is a mutual insurance holding company and is a family of forward-thinking companies focused on transforming health care. The holding company includes Florida Blue, GuideWell Connect, GuideWell Health, GuideWell Source and PopHealthCare.

Geraghty holds a Bachelor of Arts from Colgate University and has participated in executive education programs at Harvard University School of Public Health and the Wharton School at the University of Pennsylvania.


Chuck Divita

Executive Vice President, Commercial Markets

Chuck Divita serves as executive vice president, Commercial Markets. In this role, he is responsible for oversight and coordination of all commercial health insurance business within the enterprise.

Divita holds Bachelor of Science degrees in both finance and accounting from Florida State University.


Sarah Iselin

Executive Vice President, Government Programs and Diversified Business

Sarah Iselin is GuideWell’s executive vice president, Government Programs and Diversified Business. In this role, she leads the company’s government and B2B business units, including oversight for GuideWell Source and Florida Blue Medicare on the government side, and B2B businesses PopHealthCare and GuideWell Connect. Iselin is also responsible for leading the enterprise’s brand and marketing functions.

Iselin holds a Master of Science degree in health policy and management from the Harvard School of Public Health.


Charlie Joseph

Executive Vice President, Corporate Affairs and Chief Legal Officer

Charlie Joseph is executive vice president, corporate affairs and chief legal officer for GuideWell and Florida Blue. Joseph is accountable for leading the company’s corporate affairs group, which includes: Board Governance; Business Assurance; Business Ethics, Integrity and Compliance; Enterprise Communications; Legal Affairs; and Public Affairs and Community Engagement. He also serves as the senior legal advisor to management and the Board of Directors on a wide range of matters.

Joseph holds a Bachelor of Arts in economics from Hamilton College and a Juris Doctorate from the University of Virginia School of Law. He is a member of the Bars of the State of New York and the District of Columbia, and is certified as Authorized House Counsel under Chapter 17, Rules Regulating the Florida Bar.


Gary Anderson

Senior Vice President, Chief Information Officer

Gary Anderson is chief information officer for GuideWell and Florida Blue. In this role he is responsible for leading information technology functions, including infrastructure and architecture, information security, capability development and support, information management, and capability investment portfolio management.

Anderson studied computer science and electrical engineering at the University of Missouri.


Camille Harrison

Senior Vice President and Chief Operating Officer, GuideWell Commercial Markets and GuideWell Innovation

Camille Harrison is senior vice president and chief operating officer for GuideWell Commercial Markets and GuideWell Innovation. In addition to leading the Service Organization (including Member Services, Enrollment, Billing and Claims Administration), Enterprise Optimization and the Payment Integrity Office, she is responsible for GuideWell Innovation and leads the enterprise’s Customer Experience and Digital efforts.

Harrison holds a Bachelor of Science in business education from Montclair State University in New Jersey and completed the Advanced Management Program from the University of Chicago Booth School of Business.


Thurman Justice

Senior Vice President, Finance and Chief Financial Officer

Thurman Justice serves as GuideWell’s chief financial officer. In this role his scope of responsibility includes corporate accounting and financial reporting, tax, financial planning, procurement, corporate development and strategic investments, and treasury and investment operations.

Justice holds a Bachelor of Science degree in accounting from Central Connecticut State University and is a certified public accountant.


Farley Kern

Chief Communications Officer

Farley Kern is chief communications officer for GuideWell and Florida Blue. In this role she is responsible for leading a broad portfolio of strategic functions including public relations; issues management; media relations and social media; executive communications; internal/employee communications; communications with the company’s members, providers, agents and other stakeholders; and the creative and production department. Additionally, she is accountable for developing and leading an integrated communications strategy across the GuideWell enterprise’s family of companies.

Kern holds a bachelor’s degree from the University of Virginia and a master’s degree from Duke University.


Amy Ruth

Senior Vice President, Human Services Group and Chief Human Resource Officer

As chief human resource officer, Amy Ruth brings her extensive knowledge of human capital development and talent management to provide executive leadership for the company’s human resources, diversity, corporate services and strategic facilities.

Ruth holds a Bachelor of Business Administration in marketing from Kennesaw State University.


Elana Schrader, M.D.

Senior Vice President, Health Care Services and President, GuideWell Health

Dr. Elana Schrader serves as GuideWell’s senior vice president, health care services and president of GuideWell Health. In this role, Schrader leads the health care delivery business within the GuideWell family of companies. She also is responsible for the development of the overarching clinical strategy for Florida Blue and leading clinical activities including care management, health promotions and wellness, pharmacy, quality, and clinical retail health initiatives.

Schrader holds a Bachelor of Arts from Barnard College of Columbia University. She received her medical training at Albert Einstein College of Medicine and trained in internal medicine at The New York Hospital of Cornell Medical College and the Memorial Sloan Kettering Cancer Center. She completed a post-doctoral research fellowship at Columbia Presbyterian College of Medicine, and is a graduate of the Advanced Management Program at the University of Chicago, Booth School of Business, Class of 2011.


Seth Van Essendelft

Senior Vice President, Strategy, Corporate Development and Strategic Investments

As senior vice president, strategy, corporate development and strategic investments, Seth Van Essendelft is responsible for leading the enterprise’s strategic plan development with a focus on sustainability and growth, and overseeing market and competitive intelligence teams to provide key insights on national and regional competitors. He is also accountable for planning and directing all aspects of achieving GuideWell’s growth through strategic investments and business development initiatives, including acquisitions, joint ventures, business consulting and divestitures on behalf of GuideWell and its family of companies. Additionally, he leads all aspects of the transaction lifecycle including sourcing, execution of deals, and development of post-merger integration plans.

Van Essendelft holds a Bachelor of Science in management from the United States Coast Guard Academy and a Master of Business Administration with honors from The College of William and Mary.


Alisha Pieraccini

Chief of Staff to the Office of the CEO

As chief of staff to the office of the CEO, Alisha Pieraccini is responsible for assisting with the CEO’s plan and coordinating the strategic, cross-functional activities of the executive office, including managing executive committee efforts. Pieraccini ensures that decisions are communicated and that action items are coordinated between the GuideWell business units. She also defines issues and decisions that need focus and involvement from the CEO’s office.

Pieraccini holds a Bachelor of Science degree in finance from the State University of New York at Buffalo, where she also received a Juris Doctor and Master of Business Administration. She is a member of the Bar of the State of New York and is certified as Authorized House Counsel under Chapter 17, Rules Regulating the Florida Bar.