Management Team

Loren L. Stone, MHA, FACHE, Chief Executive Officer, is an experienced Senior Financial Executive with over 20 years in healthcare finance and operations in rural health care. Loren received his Masters in Health Care Administration from the University of Scranton and is a member of the Healthcare Financial Management Association, serving in an Officer position since 2003. Loren is directly responsible to the EMHS Board of Directors regarding all operational aspects of daily operations. Loren provides guidance in all aspects of EMHS financial operations, including budgeting, cost report preparation, financial statement preparation, revenue and cost center analysis.

Mary E. Mushala, RN, MS, CNE-BC, Chief Nursing Officer, has been a Registered Nurse for 35 years and a has over 25 years of Nursing/Critical Care management experience. Mary received a Bachelors of Science Degree from Elmira College majoring in Nursing and a Masters of Science in Adult Nursing Administration/Clinical Nurse Specialist with a focus on Critical Care Nursing and Post Master’s Certificate in Nursing Administration from Syracuse University. Mary oversees operation of all nursing divisions coordinating the integration of nursing process, nursing competencies and patient safety activities for all of EMHS. Mary’s duties also include management of the Infection Control Department.

Marissa Wood, Administrative Director of Human Resources and Public Relations began her employment with EMHS in 2015. After a brief break in employment, she returned to EMHS in 2020 and assumed the Director position in 2021. Marissa received her Bachelors Degree in Healthcare Management from Misericordia University. Marissa’s responsibilities include overseeing all aspects of employee relations and employee life cycle, benefit administration, performance management, recruitment, and marketing. Other duties include overseeing the Nutritional Services department and include public and community relations.

David W. Beavers, CIO, Administrative Director/Information Technology, has been employed by EMHS since 2016 and assumed the role of Director of Information Technology in 2020. David received his degree in Network Administration in 2009 and attended Central Penn College. David oversees all operations in the Information Technology Department, including setting short- and long-term IT implementation goals, Planning and directing new hardware and software deployments, Protecting sensitive data, systems, and applications from external threats, Calculating the costs of current and future IT systems, Managing other IT professionals along with assessing the organization’s technology needs and making upgrade recommendations. David is also responsible for maintaining and upgrading the hospitals electronic health records system.

Sherri Arnold, BS RT(R)(CT), Administrative Director of Ancillary Services / Radiology Manager

Tanya Oleniacz, Controller began her career with EMHS in 2012, later earning her Bachelor’s Degree in Accounting at Liberty University. She returned to the Organization in 2017 as a Staff Accountant and was promoted to Controller in 2023. In her current role, Tanya oversees all core accounting functions, including the preparation of financial statements, cost reporting, and budgeting. She plays a key role in ensuring financial accuracy, supporting strategic planning, and maintaining the organization’s fiscal integrity.

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