Hassan S. Sharif, MD,

Chief Medical Officer and Chief Executive Officer

As one of the original founders of the organization 26 years ago, Dr. Sharif brings an unrivalled passion for saving lives to WorldCare. His deep medical expertise and worldwide connections with physicians and medical research visionaries continue to transform the way WorldCare uniquely approaches the art of providing meaningful expert medical second opinions for members around the globe by virtue of technology and institutional medical team collaboration.

His focus is to expand access to WorldCare MSO services throughout the U.S. and internationally. Under his guidance WorldCare has been an innovator in developing additional MSO services to help members with chronic conditions such as mental health, disability, pain management and prescription drug usage.


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Edwin M. Wiggers

President and Chief Operating Officer

With a career originating in the B2B and B2C financial and technology industries and spanning from agile startups to large global brands across 50+ countries and six continents, Ed jumped at the opportunity to help take WorldCare to the next level while advancing its purpose of saving lives.

An experienced global executive and entrepreneur obsessed with building great businesses by building great teams, Ed is happiest when he is in over his head but completely surrounded by great people, especially when they have a great business puzzle to solve.


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Richard Heinzl,

Global Medical Director

Dr. Richard Heinzl is a physician, humanitarian and entrepreneur whose passion is the intersection of technology and healthcare worldwide. He has been with WorldCare for over ten years.  As Global Medical Director for WorldCare, he manages the delivery of medical second opinions to members, engages with clients and contributes to the strategic direction of the company.

As the founder of Doctors Without Borders Canada, Dr. Heinzl is known for his work in bringing medical care to those in need around the globe.


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Paul Clark

Chief Information Officer/Chief Technology Officer

Paul Clark is a senior IT executive with extensive experience in all aspects of information technology including systems, network, development, support and security.  In his role, Paul’s goals are to provide a secure, reliable and scalable technology platform for our staff and customers.  Additionally, he oversees WorldCare’s global privacy compliance program with a focus on keeping patient data safe throughout the organization.

When not in the office, you will find Paul out hiking, biking or at the beach.


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Corinne Chapman

Director of Strategic Initiatives
Chief Administrative Officer for Legal and Human Resources.

Corinne Chapman is a strategy-focused, detail-oriented Legal and HR executive with over ten years of experience at WorldCare.  She partners with the leadership team to establish strategic objectives, manage key initiatives and oversee operations across the organization. She is instrumental in the facilitation of WorldCare’s global healthcare initiatives and perspective.

Corinne also enjoys yoga, travelling around the world or across New England and spending quality time with friends and family.


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Kiera McNelis Shaw

Director of Finance

Kiera joined the WorldCare team in 2011, and has employed a life-long obsession with puzzles and a background in statistics to create dynamic, cross-functional, data-driven analyses. Her keen attention to detail works to provide accurate and actionable financial reporting to internal stakeholders and our valued customers.

In her personal time, Kiera is pursuing a graduate degree while attempting to manage a rambunctious toddler.


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