WorkCare Leadership Team

Our team is passionate about occupational health.

LEADERSHIP TEAM

Peter P. Greaney, M.D.

Executive Chairman
and Chief Medical Officer

LinkedIn

Dr. Greaney established WorkCare in 1984 as a national occupational health consulting company while successfully operating a busy occupational medicine practice for many years in Anaheim, California. His pursuits...

include research into innovations to deliver practical, integrated employee health management solutions across the care continuum. In 2021, Dr. Greaney received the President’s Award from long-standing WorkCare client Costco (2008), the company’s highest honor, in recognition of exceptional assistance during the COVID-19 pandemic. Dr. Greaney is board-certified in preventive medicine and occupational medicine and board-eligible in toxicology. In addition to serving on Partners in Health boards, Dr. Greaney is actively involved in WorkCare’s strategic product development, client relations, thought leadership and physician oversight initiatives.

Kay Gillespie

Chief Human Resources Officer

LinkedIn

Kay joined WorkCare in November 2021 to lead our Human Resources and Learning and Development teams. She previously provided HR consulting to WorkCare and several other companies while working...

with HR Service, Inc. Kay has over 20 years of HR experience and has served in a variety of roles in a diverse and wide range of industries. Kay is passionate about building high- impact HR programs and initiatives that support business strategy and drive employee engagement. She earned her Bachelor’s Degree in Psychology from Millersville University of Pennsylvania, and a Master’s Degree in Human Resource Management from Stevens Institute of Technology.

Aaron Atkinson

Chief Strategy Officer

LinkedIn

Aaron joined the WorkCare team in 2024. He brings 20+ years of B2B healthcare marketing experience with a focus on lead generation, branding building, product marketing and data analytics. He holds degrees in...

marketing, communications and business administration and lives with his family in Overland Park, Kansas.

Maria Pitol

Chief Financial Officer

LinkedIn

Maria Pitol joined WorkCare as Chief Financial Officer in October 2022. Maria is instrumental in the development of innovative business solutions and strategies to support WorkCare's company growth....

Her responsibilities include financial oversight of merger and acquisition integration functions and international operations. Maria has over 20 years of experience building and leading finance teams in complex national and multinational companies. Prior to joining WorkCare, she was the Senior Vice President and Corporate Controller for a multinational environmental engineering group, where she had an active role in taking the company through a successful initial public offering. Before moving to the environmental industry, she held several management and controller positions in the aerospace industry. A native of Brazil, she started her career at Deloitte in its São Paulo office. Maria has a law degree from PUC/SP Pontifícia Universidade Católica de São Paulo with a concentration in corporate law and economics, and she is a member of the Brazilian Bar Association. She moved from Brazil to the U.S. to pursue her work in the aerospace industry. Maria lives with her husband and son in Orange County, Calif., where she enjoys painting as a hobby and weekend bike rides.

Sammie Dabbs

Chief Commercial Officer

LinkedIn

Sammie Dabbs joined WorkCare as the Chief Commercial Officer (CCO) in September 2024. With over a dozen years of experience in the employment screening industry, Sammie brings a wealth of expertise in driving revenue growth, developing strategic partnerships, and leading high-performance teams....

Sammie’s career is marked by a passion for optimizing business operations and fostering a culture of innovation. Prior to joining WorkCare, she has held senior executive roles with prominent employment screening and biotech firms, where she was instrumental in scaling revenue streams and implementing cutting-edge solutions.

Allison Khosroshahin

Senior Vice President, On-Sites

LinkedIn

Allison joined WorkCare in 2005 and since then, she has continuously expanded her role and is now the Senior Vice President of On-Sites having previously served as Chief Operating Officer and Vice President, Human Resources. During her...

tenure, she managed implementation of WorkCare’s COVID-19 testing program, including onsite clinical support and the provision of thousands of COVID-19 diagnostic test kits to U.S. companies and their employees. As Senior Vice President of On-Sites, Allison oversees operations related to all providers staffed at employee locations + clinical review and management services. Allison has a bachelor’s degree in communications from California State University, Fullerton.

Justin Gauser

Senior Vice President, Occupational Health Solutions

LinkedIn

Justin was promoted to his current position in 2024. He joined WorkCare in March 2021 as Director, Entertainment Services. In that role, he oversaw our COVID-19 Compliance Officer program, where he was instrumental in achieving operational improvements and...

high client satisfaction scores. He was promoted to Vice President, COVID Operations, in January 2022, with responsibility for expanding COVID-related services, providing support for nationwide entertainment productions, delivering virtual and onsite proctored testing, launching a corporate daily testing program, and in April 2022, transitioning COVID screening from the Incident Intervention Program to the COVID department. Prior to joining WorkCare, Justin worked in the entertainment industry managing commercial, music video, TV show and movie productions, which allowed him to fine-tune his ability to manage client and employee expectations.

Roo Johnson

Senior Vice President, Information Technology and Analytics

LinkedIn

Roo Johnson is a seasoned IT leader with over two decades of experience in website and database development, IT infrastructure management, and analytics....

Kathleen Wilhelmsen

Vice President, Onsite Clinic Operations

LinkedIn

Kathy joined WorkCare in 2018 as a regional occupational health manager and transitioned to her current position in early 2019. She is an executive health care operations leader with a background in business development, team building, customer service, sales and marketing, and training. Her clinical experience...

includes onsite occupational health nursing. She obtained her Bachelor of Science Degree in Nursing at Salve Regina University, Newport, RI. She is a certified Case Manager.

Bryan Reich

Vice President, Programs & Operations - Prevention Services

LinkedIn

Bryan was promoted to the newly created position of Vice President, Programs & Operations - Prevention Services, in July 2023. Prior to his promotion, he was instrumental in the development and rapid growth of WorkCare's Industrial Athlete Program and served as its director for four years. Bryan’s responsibilities...

include continued strategic oversight of the Industrial Athlete Program. His focus on Prevention Services includes collaboration with Wellness Solutions, a WorkCare Company, to create corporate-facing solutions, including a comprehensive ergonomics program, and developing a new approach to pre-hire evaluations. His industry experience includes job demand analyses, employee education and training, and consulting on workplace health risks. He joined WorkCare after managing an industrial athlete program at a major utility and serving as head athletic trainer for the State Center Community College District, Reedly, Calif. A Certified Athletic Trainer, he earned his Master of Science degree in kinesiology at the University of Texas at Tyler.

Lynette Helmer

Director, Wellness and Prevention Products and Services

LinkedIn

Lynette began her career in the field of employee health and wellness over 27 years ago. After working with two Fortune 500 companies, she created Wellness Solutions, the health promotion company she sold to WorkCare in 2021 to further expand the business. Lynette is passionate...

about preventing illness and injury through education, screening and empowering individuals to improve the quality of their lives. Her experience includes administering onsite fitness and wellness programs, teaching stress management and injury prevention strategies, and consulting with individuals on health and wellness-related issues. She earned her bachelor’s degree in exercise science and health promotion at Brigham Young University. Lynette’s certifications include ergonomics, functional movement, mindfulness-based stress reduction, nutrition, sleep and brain EEG/neurofeedback.

Robin Brown

Director, Leave of Absence/FMLA

LinkedIn

Robin has more than 16 years of experience in absence and disability management. Her primary responsibilities include overseeing WorkCare's disability management department and managing a major LofA/FMLA account. Before joining WorkCare in 2011, Robin was responsible for absence...

management at AMTRAK in Los Angeles. She has a Bachelor’s Degree in Business Management from the University of Phoenix, Phoenix, Ariz.

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