Our Management

Nasser Menhall

Chief Executive Officer

 

Nasser Menhall has led WorldCare’s international growth strategy. Menhall has over several years of extensive business development, leadership and project management experience in both the health care and technology fields. Prior to joining WorldCare, he was a Director for IDERA. He has co-founded over ten companies and received a Bachelor of Arts in Economics from the University of Chicago and a Masters of Business Administration from Harvard Business School.

hassanshahrif

Hassan S. Sharif, MD

President and Chief Operating Officer

 

As President and Chief Operating Officer, Dr. Sharif was instrumental in establishing the physician-to-physician relationships of WorldCare’s second opinion service. His extensive experience and efforts have bridged the gap between U.S. medical practices and those of the world. He also leads WorldCare’s international consulting and management efforts while managing worldwide operations and shared services. He received his medical degree from the American University of Beirut, (AUB) School of Medicine. He completed his radiology training at AUB, the University Hospital of Wales in Cardiff, St. Bartholomew’s Hospital in London and Magnetic Resonance training at Emory University in Atlanta, Georgia and Case Western Reserve University in Cleveland, Ohio. He is a Fellow of The Royal College of Radiologists, London and is a sub-specialist in cross-sectional imaging, neuroradiology and the musculoskeletal system.

michaelsullivan

Michael Sullivan, CPA

Chief Financial Officer

 

Michael Sullivan manages the financial, accounting and treasury functions of WorldCare. Sullivan is a seasoned financial executive with years of diverse experience including raising capital, business valuation, strategic planning, cash management and company forecasting. Prior to joining WorldCare, Sullivan was the Chief Financial Officer for SEI and X-Collaboration Software Corp, an award-winning startup software company, which was acquired by Progress Software (NASDAQ:PRGS). Sullivan received a Bachelor of Arts in Economics cum laude from Yale University.

paulclark

Paul Clark

Chief Technology Officer

 

Clark leads all technology strategy and IT operations, while overseeing the development and implementation of software and systems. Additionally, he oversees WorldCare’s security and privacy compliance throughout the entire organization. Clark has over 27 years of technology and business experience including software, hardware, e-commerce, operations, sales, marketing, consulting, printing and records management. Prior to joining WorldCare, Clark held a number of senior technology roles in a variety of industries including printing and marketing services, managed services, datacenter and hosting, management consulting and meteorology. He received a Bachelor of Science in Meteorology from the University of Massachusetts Lowell.

karenpfaff

Karen Pfaff

Director of Nursing and Clinical Operations Manager

 

In this capacity, Pfaff oversees the nurse case managers, administrators and medical staff in several countries, while managing the day-to-day operations of WorldCare’s international services. A registered nurse, Pfaff has over 20 years of nursing experience including case management, home care, clinical and critical care. Prior to joining WorldCare, she was responsible for supervising clinical care for critically-ill patients in the Medical and Surgical Trauma ICU’s at Boston Medical Center and at St. Elizabeth’s Medical Center. Pfaff received Bachelor of Science in Nursing from Framingham State University and an Associate of Applied Science in Nursing from MassBay Community College.

tinakaras

Tina Karas

Vice President of Marketing

In her role as Vice President of Marketing, Karas develops and drives the marketing strategy for WorldCare International, Inc. while overseeing day-to-day marketing operations. She brings more than 20 years of expertise in marketing and communications to WorldCare International. Karas has extensive experience in project management, budget development and tracking and marketing campaign development, implementation and measurement. She received her Master of Business Administration and her Bachelor of Science from Salem State University. She began her career in the Financial Industry before making the switch to healthcare.