Combined, Gaudenzia's executive leadership team has more than 200 years of experience in their respective fields of study and practice. We are proud to attract some of the best and brightest in the field to help us fulfill our mission of helping individuals with substance abuse problems.
Michael B. Harle, MHS
President / Chief Executive Officer, Gaudenzia, Inc.
Michael Harle is the President / CEO of Gaudenzia, Inc. Mr. Harle began his career in 1973 as a chemical dependency counselor, and shortly after, developed drug and alcohol treatment programs in three state correctional institutions in Pennsylvania. He received his Master's Degree in Human Services from Lincoln University in 1978 and holds a certificate in Non-Profit Management from Harvard University Business School. For a full biography, please click here.
Gadi Aronson, MSW
Director of Development
Gadi Aronson has been with Gaudenzia since 2004 and has more than 25 years experience in fundraising. Mr. Aronson is responsible for all aspects of fundraising and public relations for the organization.
Michael Coyle, MBA, CPA
Director of Finance & Accounting
Michael Coyle has been with Gaudenzia since 2011 and has over 20 years of executive financial experience, specializing in healthcare and non-profit organizations. He directs all aspects of Gaudenzia's financial operations.
John G. DiLeonardo, Esquire
Counsel and Director of Compliance
John DiLeonardo serves as Gaudenzia’s Counsel and Director of Compliance. He holds a Bachelor of Arts in Political Science from Washington & Jefferson College (1976) and a Juris Doctor from the University of Dayton School of Law (1979), where he was elected to the Order of the Barristers for superior achievement in courtroom advocacy. John has an extensive background in health care law. He has prosecuted and tried healthcare related and other cases in the Pennsylvania State Courts as well as in Federal Courts sitting in Pennsylvania and in Florida. His work experience includes serving as Pennsylvania Chief Deputy Attorney General for Medicaid/Healthcare prosecutions; as Prosecuting Attorney for the State Board of Medicine in Pennsylvania; and in private practice where he represented clients in civil, criminal, and administrative litigation matters.
Sharon Johnson, MBA
Director of Human Resources
Sharon Johnson has been with Gaudenzia for more than 15 years and is the Director of Human Resources for the organization. Ms. Johnson is responsible for all aspects of human resources for over 900 full-time and 150 part-time employees.
Paresh Patel, MBA, CHA
Chief Operating Officer
Paresh (Perry) Patel is a graduate of St. John's University where he earned his Masters of Business Administration in Public Accounting and Widener University where he studied toward a Masters of Science in Healthcare Finance. Mr. Patel is also a Certified Hospitality Administrator and a member of Healthcare Financial Management Association (HFMA). For a full biography, please click here.
Erin Pressel, MS, MBA, CCJP, CCDP
Director of Marketing
Erin Pressel has worked in the Human Services field for over fifteen years in many different capacities in both the mental health and drug and alcohol systems. During her career, she has been a residential counselor working with at-risk youth, a mental health intensive case manager, a drug and alcohol counselor and a county case management specialist. She holds a B.S. from the University of Massachusetts at Lowell in Criminal Justice with a minor in Psychology, an M.S. from California University of Pennsylvania in Legal Studies with a concentration in Homeland Security and an MBA in Marketing from Columbia Southern University.
Mark Sarneso, MS
Director of the Central and Western Region
Mark Sarneso holds a B.A. from York College of Pennsylvania and an M.S. from the University of Pittsburgh’s School of Social Work with a concentration in Child and Adolescent Development. He has over 35 years of increasingly responsible management positions in the behavioral health field. Mark also has extensive experience in advocacy of public policy, as he was Chairman of DASPOP (Drug and Alcohol Service Providers of Pennsylvania) for 17 years.
Cecilia Velasquez, MHS
Director of the Eastern Region
Cecilia Velasquez has been with Gaudenzia since 1981 and has been in the field of human services since 1974. Ms. Velasquez has worked with diverse populations including chemical dependency, women/women, and children, victims of domestic/sexual violence, dual diagnosis, homeless, community corrections, and prisons.
Greg Warren, MA, MBA
Director of the Chesapeake Region
Greg Warren is an experienced leader in behavioral healthcare with over 20 years in the field. He has been recognized by SAMHSA as an Einstein expert in criminal justice, medication-assisted treatment and health information technology. He holds a Master's Degree in Counseling Psychology from Bowie State University and an Executive MBA from Loyola College.
Gaudenzia began as a mutual support community - a group of people who, through the basic assumption that sticking together would give them the strength and resolve to stop using drugs, were trying to recover from addiction through their unity and support of one another.