Executive Staff

Acadia Rehab

Dixon Miller, PhD., FACPN
Director of Neuropsychology Services, Corporate Secretary

Dixon has been part of the Acadia team for 29 years. In his current role as Director of Neuropsychology Services, he directs client care and provides clinical supervision. He oversees the doctoral internship program, helping to guide the applied educational experience and skill development of new clinicians entering the field of psychology and neurorehabilitation. He enjoys most the opportunity to develop long-term relationships with the individuals Acadia serves, as well as functioning as part of a talented transdiciplinary team of professionals. Prior to his work at Acadia, he was the Director of Behavioral Medicine at Lancaster General Hospital for five years. He was also a founder and managing partner of Behavioral Healthcare Consultants in Lancaster. Dixon is a licensed psychologist and a board-certified clinical neuropsychologist. He obtained his Doctorate in Clinical Psychology from Biola University and holds a Bachelor’s degree from Messiah College.


Jack Poplar, MRA, CRC, LPC
CEO / President

Jack has served as the President and CEO of Acadia since 2011 after spending 24 years as Program Director, overseeing both residential and clinical programming. He is a Certified Rehabilitation Counselor (CRC) and a Licensed Professional Counselor (LPC). He earned his Master’s Degree in Rehabilitation Administration from the University of San Francisco, and holds a Bachelor’s degree in Psychology from Millersville University of Pennsylvania. Jack promotes awareness of brain injury and the needs of individuals recovering from brain injury through his work with a variety of organizations:

  • He is a founding Board member of the Brain Injury Association of PA and recently finished two terms on the board.
  • He was appointed to the Long Term Care Delivery System Subcommittee by the PA Department of Human Services.
  • He is a Board member of the Rehabilitation and Community Providers Association (RCPA).
  • He is the Co-chairmen of the RCPA Brain Injury Committee
  • He was Chairman of the PA Association of Rehabilitation Facilities (PARF) Head Injury Committee, serving in that capacity for 24 years.
  • He is a founding Board member of the PA Traumatic Brain Injury Advisory Board and past Vice Chairperson.
  • He is a founding member of the Brain Injury Coalition / Caucus.
  • He was Committee Chairman and member of the Department of Public Welfare’s TBI task force.
  • He was a Professional Advisory board member of the Learning Disabilities Association of Lancaster.
  • He was a board member of the PA Rehabilitation Advisory Board for the Office of Vocational
  • He was a cycling official at the 2015 World Special Olympic Games
  • He received the 2014 Leadership Award from Brain Injury Association of PA
  • He received a Special Recognition Award from the Brain Injury Association of PA in 2002
  • He received the Lancaster Red Rose Award for community service from the Lancaster Newspaper in 2011

Melissa Gonzalez, MBA
CFO

Melissa came to Acadia in 2012 as Controller, and was subsequently promoted to the position of CFO at the end of the year. Her job responsibilities include directing all financial aspects and active involvement with the operations of the company. She enjoys contributing to a human services company that seeks to enhance quality of life for people with acquired brain injury and other neurological conditions. Prior to her work at Acadia, Melissa served as a controller and worked as an accountant for a number of manufacturing firms. She obtained her MBA at Lebanon Valley College and her Bachelor’s degree from Indiana University of PA. She has more than 20 years of experience in the accounting field.


Tracy Carl, AA, PCHA

Tracy began her employment at Acadia in 2003 as a Residential Advisor. In 2011, she was promoted to the position of Director of Residential Services, in which she oversees the operation of our residential programs in five locations within the Lancaster community. With her team of residential site supervisors, she ensures a safe, pleasant, homelike environment for each individual living at Acadia. She is responsible for ensuring Acadia’s compliance with PA Office of Long-Term Living regulations, PA Department of Health regulations and CARF standards within each residential facility. Tracy earned an Associate’s Degree from Harrisburg Area Community College and holds a Personal Care Home Administrator license. She is a Certified Brain Injury Specialist (CBIS) and a Certified Red Cross Trainer.

Tracy enjoys the opportunity to contribute to the quality of life that individuals living in our residences enjoy, and works hard to ensure that their voices are heard in all aspects of residential programming.


Anne Hohenwarter, MS, LPC, CBIS
Clinical Director

Anne joined Acadia as a Cognitive Rehabilitation Therapist in 2000. Promoted to Clinical Director in 2011, she oversees the operation of the day treatment program at Acadia’s clinic facility, develops and implements clinical program initiatives and with her clinical management team provides supervision to all of Acadia’s clinical staff. She oversees the in-service training program and provides direct training to staff. She leads the CARF accreditation team at Acadia, ensuring that all standards are met during each 3-year accreditation period.

Anne most enjoys the opportunity to serve others, helping people with disabilities maximize their skills and their potential for living satisfying and productive lives. She likes working alongside others who feel called to work with people with disabilities. She values the opportunity to foster the professional growth of younger clinical staff and student psychology interns.

Anne obtained her Master’s degree in Clinical Psychology from Millersville University of PA, and her Bachelor’s degree from Old Dominion University. She is a Licensed Professional Counselor (LPC) who provides psychotherapy for individuals with and without neurological disabilities. She is a Certified Brain Injury Specialist (CBIS) and a member of the IU13’s BrainSTEPS team, providing consultation and training to educational professionals in public schools who work with students with brain injuries. She led the Acadia Thespian Society to earn the Brain Injury Association of PA’s Organization Award in 2008 for their performance of a play on disability awareness at the annual conference. She was awarded the Lancaster New Era Red Rose Award in 2009 for her efforts to coordinate Acadia’s fundraising event in support of the work of Operation Helmet, to provide upgraded helmet liners to soldiers and Marines in combat zones.

Prior to her work at Acadia, Anne worked as Coordinator of Disability Services at Lebanon Valley College in Annville PA, and as a Cognitive Rehabilitation Therapist and Neuropsychometrician for a private neuropsychology practice in Lancaster.


Andrew Lowther, MHA
Director of Information Management

Andrew joined Acadia in 2004 and currently serves the company as Director of Information Management. In this role he maintains and supports the IT infrastructure and supports the utilization of electronic health records. As a member of the executive team, he is involved in the collection and analysis of outcomes data and quality assurance measures across all departments.

Andrew enjoys knowing that his administrative skills and technical expertise support the company’s ability to efficiently and effectively provide services to people with disabilities. He appreciates the variety of job responsibilities his position entails, and the opportunity to regularly interact with staff and the people Acadia serves.

Before being promoted to the position of Director of Information Management, Andrew served Acadia as its Residential Director for 6 years. Prior to his employment at Acadia, he worked at Lancaster General Hospital in the Mental Health units for children, adolescents and adults. He earned his Master’s degree in Health Administration from Penn State and his Bachelor’s degree in Psychology from Millersville University of PA. He had previously obtained an Associate’s degree from Harrisburg Area Community College as a Microcomputer Specialist.


Dawn Moslander, MBA, PHR
Director of Human Resources

Dawn began her career with Acadia in 2010 and serves as the Director of Human Resources, overseeing all aspects of recruitment, compensation and benefits, and employee relations. She is Acadia’s HIPAA Privacy Officer and provides guidance and training to staff on all matters pertaining to the protection of health information for the people we serve. She works with the other members of the executive team to ensure that we are compliant with all state and federal regulations and CARF accreditation standards.

Dawn enjoys the variety of experience that each day brings to her work, and the many ways she is able to support Acadia’s employees and the people who utilize our services. Prior to working at Acadia, she spent 20 years as a Human Resources executive with several local companies. She earned her MBA at Lebanon Valley College and holds the Professional in Human Resources (PHR) certification.


Susan Blue, MSW
Chairperson of the Board of Directors and Shareholder

Susan was involved with the founding of Acadia 28 years ago. After a period of time away from Acadia, she rejoined the Board of Directors in 2008 and in 2014 became a shareholder when the company was sold. Susan is President and CEO of Community Services Group (CSG), and has been with CSG for 40 years. She is active within the community, serving as Chair of Rehabilitation and Community Providers Service Organization (RCP SO), Chair of the National Council of Behavioral Health, Board Member of Lancaster County Chamber of Commerce and the Lancaster County Coalition to End Homelessness.

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