Board of Directors


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Mary Ellen Buning, PhD, OTR/L, ATP/SMS
Term: 8/18 - 7/20
Phone: (502) 407-3272
Mary Ellen Buning, PhD, OTR/L, ATP/SMS is an occupational therapist with a specialty in assistive technology. She has developed an Assistive Technology Resource Center (ATRC) to serve Frazier Rehab and Neuroscience Institute. This program supports the translational research goals of the Frazier Spinal Cord Medicine and the Neuroscience Collaborative Center within the Department of Neurological Surgery. The ATRC provides evidence based evaluation and treatment for individuals needing wheelchairs and specialized seating, alternative, augmentative communication and adaptive computer access and control of the environment. In this role she is also directing the clinical aspects of the Rehabilitation Engineering and Assistive Technology graduate certificate within the Speed School of Engineering at the University of Louisville.
Dr. Buning has a strong interest in information technology and during her doctoral work developed WheelchairNet, a virtual community on wheeled mobility. She investigated the use of WheelchairNet as a decision-making support tool when individuals are preparing for new wheelchairs. She is an experienced educator and presenter and has a strong commitment to the use of the Internet and telecommunications to improve practice, conduct survey research, and disseminate research findings. She is particularly interested in wheelchair transportation safety for those who must sit in wheelchairs during motor vehicle travel. Her current research is a national study on the impact of WC19-compliant wheelchairs on the safety of students riding in school buses.
She is an active leader within RESNA, the Rehabilitation Engineering and Assistive Technology Society of North America and is credentialed as an Assistive Technology Practitioner (ATP) and a Seating & Mobility Specialist (SMS). She is also active in the American Occupational Therapy Association’s Technology Special Interest Section. She holds a master's degree in Occupational Therapy from the University of Colorado, and a PhD in Rehabilitation Science from the University of Pittsburgh.
Dr. Buning is a recipient of the RESNA Fellow Award, the organization's highest honor, in recognition of her service to RESNA and the field of rehabilitation engineering and assistive technology. 


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James Lenker, PhD, OTR/L, ATP
Term: 8/18 - 7/20
Phone: W (716) 829-6726

James A. Lenker, PhD, OTR/L, ATP is an Associate Professor in the Rehabilitation Science Department, and the Program Director for the Advanced Graduate Certificate Program in Assistive & Rehabilitation Technology. Lenker earned his PhD in Industrial Engineering, with an emphasis in the area of Human Factors.


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Meghan Donahue, MS, ATP
Term: 8/18 - 7/20
Phone: (224) 456-9564
Meghan Donahue, M.S., ATP currently works as a Rehabilitation Engineer at Stout Vocational Rehabilitation Institute of the University of Wisconsin Stout assisting people with disabilities by providing assessments, assistive technology interventions, and education in the areas of computer access, workplace accommodations, cognitive/learning supports, ergonomics, and electronic aids to daily living/phone access. She specializes in serving people with spinal cord injuries, motor impairments, and learning/cognitive impairments.
Meghan has been a member of RESNA since 2007 and is the Chair of RESNA's Engineer’s and Technologist’s Professional Specialty Group, and a member of the RESNA Education Committee. She started her career in AT in 2009 at the University of Michigan Health System as a Clinical Rehabilitation Engineer. She received her Master's in Bioengineering, with a focus in Rehabilitation Technology, from University of Illinois at Chicago and Bachelor's in Biomedical Engineering from Michigan Technological University.


Maureen Linden
Maureen Linden, MS
Term: 8/18 - 7/20
Phone: (404) 894-0561

Maureen Linden is a research engineer at the Center for Assistive Technology and Environmental Access (CATEA) at the Georgia Institute of Technology (Georgia Tech). She received a Master of Science in biomedical engineering from the University of Virginia in 1993, and has since managed clinical programs and research projects both in seating and wheeled mobility within the medical model, and job accommodations through the vocational rehabilitation model. Her current research interests include job accommodation use and related employment barriers, seating support surface development and characterization, mobility device use characterization, and facilitators for post-secondary education in science, technology, engineering and math (STEM) for students with disabilities. Within RESNA, Linden has served on the Meetings committee and Standards board, and has chaired the Student Design Competition committee. In 2012, she received of the RESNA Distinguished Service Award.

Board Member

Patricia Bahr Photo
Patricia Bahr, MSE, ATP, RET
Term: 8/17 - 7/20
Phone: (319) 356 4282

Bahr is a Program Manager at Iowa's University Center for Developmental Disabilities (UCEDD). At the UCEDD Bahr is involved with developing instruction for professionals, students, and fellows as well as coordination of assistive technology for use in educational, work, and home environments.

Currently, Bahr is principle instructor for Universal Design and Accessibility for Online Learning, First Year Seminar on Neuro Diversity, and Designing and Apply Accessible Digital Materials.

Before coming to the UCEDD, Bahr was the director of the Iowa Center for Assistive Technology Education and Research. At ICATER, she provided assistive technology (AT) and Universal Design for Learning (UDL) training for pre-service and in-service teachers so that students with disabilities are engaged in the general education classroom.  Bahr also provided AT consultations for individuals of all ages with disabilities. Before coming to ICATER, Bahr worked at a Gillette Children’s Specialty Healthcare in St.

Paul for 24 years as a rehabilitation engineer and supervisor of Mobile Outreach Clinic.

Bahr's degrees in Biomedical Engineering and Biomechanics are from the University of Iowa.

She served as treasurer,  and is currently on the board of directors and chair of the education committee of the Rehabilitation Engineering and Assistive Technology Society of North America (RESNA).

Bahr presents at the university, throughout the state and the nation. She also recently presented in Canberra, Australia.

Board Member

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Jennifer Boger, PhD, MS, BSc
Term: 8/19 - 7/21
Phone: (416) 709-1259

Board Member

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Dan Cochrane, MA, MS, ATP
Term: 8/18 - 7/21
Phone: W (630) 768-1460

Dan Cochrane is district-wide assistive technology specialist/coordinator for Community Unit School District 200 in Wheaton and Warrenville near Chicago, IL. He is a special education teacher who taught at the elementary level for seven years while also serving on the district’s assistive technology team one day a week. In 2006, his assistive technology position became full-time. He works with school teams and parents to implement and integrate assistive technology and accessible instructional materials for students with disabilities. He holds an MA in Special Education from National Louis University in Chicago and an MS in Disability and Human Development from the University of Illinois at Chicago, where he developed a special interest in the intersection of disability theory and assistive technology

Board Member

Carmen Digiovine photo
Carmen DiGiovine, PhD, ATP/SMS, RET
Term: 8/18 - 7/21
Phone: 614-293-7876

Carmen P. DiGiovine, PhD, ATP/SMS, RET, has been working in the fields of rehabilitation engineering and assistive technology for over 20 years. Currently he is a Rehabilitation Engineer and Clinical Associate Professor in the Occupational Therapy Division-School of Health and Rehabilitation Sciences at The Ohio State University. He is also the Program Director for the Assistive Technology Center at The Ohio State University Wexner Medical Center, where he is developing a state-of-the-art and comprehensive program to expand existing assistive technology and rehabilitation technology services. Dr. DiGiovine’s current research and development interests include assistive technology commercialization, manual wheelchair propulsion biomechanics, power wheelchair driving and pressure ulcer development. He is an active member of RESNA, where he has served as Chair of the RESNA Professional Standards Board (PSB), and holds RESNA certifications as an Assistive Technology Professional (ATP), Seating and Mobility Specialist (SMS) and Rehabilitation Engineering Technologist (RET). He is also a member of the IEEE Engineering and Medicine and Biology (EMB) Society and the Biomedical Engineering Society (BMES). Dr. DiGiovine was recently recognized by RESNA with the 2015 Samuel McFarland Memorial Mentorship Award, for his past and continuing efforts to mentor emerging professionals and students. 

Board Member

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Ed Giesbrecht, PhD, MSc (Rehab), BMR (OT), BSW
Term: 8/19 - 7/21
Phone: (204) 977-5630

Board Member

Perry Loh photo
Perry Loh, ATP
Term: 8/19 - 7/20
Phone: (570) 737-4142

Board Member

Rajesh Pagadala photo
Rajesh Pagadala, MSBME, ATP, RET
Term: 8/17 - 7/20
Phone: (404) 638-0386

Rajesh Pagadala, MSBME, ATP, RET is the Director of Assistive Technology Services for the Georgia Vocational Rehabilitation Agency where he manages a team of rehabilitation engineers, occupational therapists, rehabilitation technologists and rehabilitation technicians. He has over 22 years of experience in the field. Raj also serves on the boards of the National Mobility Equipment Dealers Association (NMEDA) and the Georgia Chapter of National Rehabilitation Association (NRA). He is the RESNA Special Interests Committee Chair and has also been the Chair of the Accommodations Special Interests Group. Raj was the recipient of the RESNA Distinguished Service Award in 2014. His current interests include ergonomics, vehicle modifications, worksite accommodations and assistive technology service delivery policy.

Board Member

Emma Smith photo
Emma Smith, PhD, MScOT, ATP/SMS
Term: 8/19 - 7/20
Phone: (778) 986-4038

Dr. Emma Smith is an Occupational Therapist, researcher, and educator with broad interest and expertise in the area of assistive technologies. Emma's research focuses on access to assistive technology among marginalized populations, including policies and processes which promote access to these devices. Within RESNA, Emma currently serves as Chair of the Canada Task Force, Co-Chair of the Student Design Competition, Co-Chair of the Emerging Technologies SIG, Co-Chair of the Developers' Showcase and as a Member of the Committee on Accreditation. Emma has previously served as Vice Chair of the Professional Standards Board, SIG Super Chair, Chair of the Student Scientific Competition, Member of the Governance Committee and as an item writer for the ATP Exam.


Board Member

Rita Stanley Photo
Rita Stanley,
Term: 8/18 - 7/21
Phone: (704) 846-4096

Rita Stanley is the Vice President of Sunrise Medical. She brings in-depth knowledge resulting from 34 years of experience related to durable medical equipment and complex rehab technology (CRT). Her expertise includes strong knowledge of assistive technology, clinical application, federal and state funding legislation and regulation regarding CRT, coverage, coding and payment policy with federal and private payers, manufacturing requirements for translating research and new products to market, and lobbying/advocacy. She has detailed knowledge of the history, current challenges and opportunities, as well as a solid understanding of the perspectives of various stakeholder groups associated with CRT/AT and is a recognized thought leader by industry colleagues and influential policy makers.

Board Member

Therese Willkomm Photo
Therese Willkomm, PhD, ATP
Term: 8/17 - 7/20
Phone: (603) 491-6555

Board Member

Seong-Hee Yoon photo
Seong-Hee Yoon, BS, ATP
Term: 8/19 - 7/21
Phone: (734) 936-7170

Immediate Past President

Roger Smith photo
Roger O. Smith, PhD, OT, FAOTA, RESNA Fellow
Term: 8/18 - 7/20
Phone: W (414) 227-5625

Roger O. Smith, PhD, OT, FAOTA and RESNA Fellow is the Director of the R2D2 (Rehabilitation Research Design and Disability) Center at the University of Wisconsin - Milwaukee and Professor of Occupational Science and Technology within the College of Health Sciences. Dr. Smith is a Fellow of the American Occupational Therapy Association as well as RESNA, with his major contributions to these fields primarily in the area of measurement and outcomes of assistive technology and accessibility interventions. Dr. Smith has been Principal Investigator or Director of more than 30 grant funded projects to develop and promote more effective measurement instruments to improve the documentation of outcomes in the field and to create new and better resource materials to support practice. He has led five national training projects to improve the skill level of assistive technology and universal design practitioners. Dr. Smith’s more than 25 years of active teaching in the field of assistive technology continues with a focus on interdisciplinary practice and with a major commitment on training the next generation of Assistive Technology Practitioners and Rehabilitation Engineers. Dr. Smith has authored many dozens of interdisciplinary publications on these topics and hundreds of national/international presentations and workshops to advance assistive technology and universal design. A key to Dr. Smith’s contributions to the field are his interdisciplinary backgrounds in psychology/communications, occupational therapy, and industrial engineering, which offer a broad perspective when tackling problems. In RESNA he has served as Chair of the Special Interest Group on outcomes and measurement, the Quality Assurance Committee during the early development phases of the RESNA certification processes, and the Ad Hoc Committee or Rehabilitation Engineering. He has also served on national level committees in the AOTA, including on the charter Special Interest Section standing committee on Technology and has been inducted into the American Occupational Therapy Foundation Academy of Research.