Patient Access

Shantel Riddick



Shantel joined the Penn Memory Center in 2015 as a Patient Access Representative. She handles calls with patients and families, performs intake, and schedules appointments. She is a graduate of Temple University, majoring in Psychology.

Psychometric Testing

Laura Saad



Laura joined the Penn Memory Center in 2015 as a psychometrician. She administers cognitive assessments to patients and research participants. She graduated from the University of the Sciences in 2015 with a BS in Psychology and hopes to pursue a doctorate degree in the future.

Hannah McCoubrey



Hannah has been as psychometrician at the Penn Memory Center since 2004. She administers cognitive testing to patients and other research participants at the PMC, and conducts testing at outreach sites such as the Ann’s Choice Retirement Community in Warminster, PA. Hannah also coordinates the Stress, Cognition, and Resilience Study. She is a graduate of the University of Pennsylvania, majoring in History and Philosophy.

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Psychosocial Services

Felicia Greenfield, LCSW



Felicia Greenfield joined the Penn Memory Center in 2006. As the Associate Director for Clinical and Research Operations, Felicia manages the day-to-day operations for the Penn Memory Center. She is involved in long-term strategic planning for the Center and oversees PMC program development.

A licensed clinical social worker, Felicia supervises MSW interns who provide counseling and education to patients and their families, she facilitates support groups for individuals (and their care partners) who have been newly diagnosed with Alzheimer’s disease, and she is a co-facilitator in the Cognitive Fitness program. Felicia holds an MSW from the University of Pennsylvania.

Social Work Interns

Alison Lynn


Alison joined the Penn Memory Center in 2015. She is in her final year working towards her Master’s in Social Work at the University of Pennsylvania and is a Penn Aging Concentration program fellow. Under the supervision of Felicia Greenfield, LCSW, she provides counseling, education and support to patients and their families. Alison received a B.A. in Sociology from Kenyon College in 2011. After graduation, Alison worked in admissions at a Continuing Care Retirement Community for career military officers in Washington, DC.

Genevieve Ilg


Genevieve joined the Penn Memory Center in 2015, and she is in the last year of the Master’s of Social Work program at the University of Pennsylvania. Genevieve is also a part of the Penn Aging Concentration Program, where she is gaining specialized training in social work with older adults, families, and caregivers. Under the supervision of Felicia Greenfield, LCSW, Genevieve provides counseling, health education, and support to patients and their families. Last year, Genevieve interned at Thomas Jefferson University Hospital on the in-patient floors, where she provided patients and families with emotional support, counseling, assistance with making advanced directives, education about and navigation of Medicaid, Medicare, and private insurance policies, and facilitated complex discharges to appropriate care settings involving families, insurance companies, and outside facilities and services. Genevieve graduated from Providence College in 2014 with a B.S. in Health Policy and Management with a minor in Philosophy.

Anna VanDien



Anna joined the Penn Memory Center in 2015. She is working towards earning a Master’s of Social Work at the University of Pennsylvania with a concentration in the aging population. Under the supervision of Felicia Greenfield, LCSW, Anna provides counseling, education and support to patients and their families. Anna holds a B.S. in Family Social Science from the University of Minnesota.

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Research Project Coordination

Sara Hachey



Sara first joined the Penn Memory Center in Summer 2014 during which she held a Research Assistant position with Dr. Karlawish’s research team. After receiving a Bachelor’s degree in Human Biology, Health, and Society with a minor in Gerontology from Cornell University in 2015, she joined Dr. Karlawish’s research team again as a Research Coordinator. She is working on multiple projects including the SOKRATES interview study and a cognitive health messaging study as part of the CDC’s Healthy Brain Research Network. Sara is passionate about pursuing a career in medicine in order to serve the aging population as a geriatrician.

Arun Pilania



Arun joined the Penn Memory Center in September 2015 as a research specialist for Dr. David Wolk’s studies. Before joining PMC, he worked in mental health settings for two years as a mental health counselor under the supervision of licensed psychiatrists. Arun graduated with a bachelor’s degree in Psychology from William Paterson University in 2012 and attended a graduate program at Temple University’s School of Social Work before switching his career path to medicine. He is also a post-baccalaureate student at Penn and plans to attend medical school in the near future.

Shira Blady



Shira joined the Penn Memory Center in May 2013 as a Clinical Research Coordinator on Dr. Arnold’s team. She graduated from Drexel University with a bachelor’s degree in Psychology in 2008 and has since been working on various research projects at Penn, including studies in sleep, tobacco use and opiate addiction. In the future, she wishes to pursue a degree as a Physician’s Assistant.

Martha Combs



Martha joined the Penn Memory Center in 2010 after working at Sanofi Aventis as a Clinical Project Assistant and elsewhere as a research coordinator on psychiatric studies. Currently, as a Senior Research Coordinator, she works with patients and families completing several studies including IGIV, LFAN and GE005. She also guides the efforts of her assigned research coordinators, and manages interaction between the PMC and the Penn Institutional Review Board (IRB), the body which regulates protocol and conduct of university research studies. Martha has a BS from Boston College and an MS from Rensselaer Polytechnic Institute (RPI) – Hartford Graduate Center campus.

Jamie Czerniakowski



Jamie is a research coordinator working with Dr. Steven Arnold’s team on the A4 study.  Previously she was employed as a Therapeutic Recreation Associate for ACTS Retirement-Life Communities. Jamie is a Penn Certified Clinical Research Coordinator. She has a BA from Indiana University of Pennsylvania in Liberal Arts/Art History.

Tigist Hailu



Tigist joined the Penn Memory Center in January 2013 as a Coordinator for Diversity in Research and Education. She graduated from Franklin and Marshall College with a bachelor’s in Public Health Psychology and Africana Studies. She is currently a part time student in the Master of Public Health Program at University of Pennsylvania. As the Coordinator for Diversity in Research, she works to develop, implement and monitor the Penn Memory Center’s multicultural recruitment with a particular focus on increasing participation within the African American community in NACC and other research studies with the Penn Prevention Research Center’s Healthy Brain Research Network Center, a member of the CDC supported Healthy Brain Research Network, dedicated to surveillance, education, awareness, and empowerment that promotes brain health.

Kristin Harkins



Kristin joined Dr. Karlawish’s research team in 2007. She works on the SOKRATES interview study; the Risk Evaluation and Education for Alzheimer’s Disease (REVEAL) study; and other activities for the Penn Prevention Research Center’s Healthy Brain Research Network Center, a member of the CDC supported Healthy Brain Research Network, dedicated to surveillance, education, awareness, and empowerment that promotes brain health that promotes brain health. She graduated from Truman State University with a major in psychology and a minor in statistical methods. Currently, she is a part-time student in the University of Pennsylvania’s Master of Public Health Program.

Ivy Mesa



Ivy joined the Penn Memory Center in 2006, assisting research participants, patients, families, and clinicians as part of the front office team. In 2011, she began a new role, as appointment manager for Latino study participants, and visit scheduler for the more than 400 patients and normal controls active in our NACC research program. Ivy is fully bilingual in English and Spanish.

Jessica Nuñez



Jessica began working at the Penn Memory Center part-time while a high school student. She now coordinates studies, currently including ADNI 2 and Pfizer-Bapi; conducts screenings and administers psychometic testing to Spanish-speaking patients and study participants, and assists as needed with patient visit flow. Jessica is fully bilingual in English and Spanish.

Grace Stockbower



Grace joined the Penn Memory Center in June of 2013 as a Research Specialist for Dr. David Wolk. She currently is working on the ASL-PET and EmPCAD studies. She received a BS in Psychology with a minor in Neuroscience from Haverford College in 2013.


Terrence Casey

Terrence Casey


Terrence Casey joined the Penn Memory Center in 2015. As Social Media and Communications Coordinator, he manages content for Penn Memory Center and the NIA-funded Alzheimer’s Disease Center’s Outreach and Recruitment Core; the CDC-funded Healthy Brain Research Network Center; and the Neurodegenerative Disease Ethics and Policy Program. Terrence has a decade of experience as a journalist in the Philadelphia and State College regions. He graduated from Penn State University with a B.A. in journalism.

Terrence is also the editor of, a creative space for understanding the past, present and future of Alzheimer’s disease. Making Sense of Alzheimer’s is an evolving forum for conversation about the disease. Its collection of ideas captures the many dimensions of Alzheimer’s, through the perspective of caregivers, patients, artists, researchers and clinicians. Utilizing multi-media formats such as slideshows, video, and audio clips, along with written stories, the site explores the changing understanding of what Alzheimer’s is and how this affects our ethics and ideas of personhood.

Research Interns

Angela Ddamba


Angela joined the Penn Memory Center in January 2014 as a community outreach volunteer and has been assisting Tigist Hailu. Angela is a student in the Penn Alumni Program and received her Bachelor’s degree in Biology and African Studies from the University of Pennsylvania in 2011. She currently works as a research specialist in Dr. Christopher Lengner’s laboratory in the School of Veterinary Medicine at the University of Pennsylvania. She is interested in learning more about Alzheimer’s disease given its rising incidence in the aging population. Specifically, she is working to increase African American participation in the Center’s studies because of her dedication to the improvement of health outcomes for minorities. Angela’s interest in the health of minority communities stems from her college days, when she co-founded the Minority Association of Pre-Health Students (MAPS). In the near future, Angela hopes to attend medical school.

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Project Management & Strategic Support

Kathryn Jedrziewski, PhD



Dr. Kathryn Jedrziewski, Deputy Director of Penn’s Institute on Aging (IOA) since 2001, also serves as Alzheimer’s Disease Core Center (ADCC) Administrator. In that role, she is active in a nationwide network of fellow Center administrators on issues relating to the administration of NIH/NIA funds.

Dr. Jedrziewski received her PhD from the University of Pennsylvania in 1991. She has worked in gerontology and geriatrics for the past thirty years.

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Business & Administrative Support

Maria Crudele



Maria joined Penn in 2007 as an administrative assistant in the Department of Psychiatry, Geriatric Psychiatry Section and took on support for Penn Memory Center administrative matters in 2008 under former director Dr. Steven Arnold. In May 2015, Maria took over as administrative coordinator to co-directors Dr. Jason Karlawish and Dr. David Wolk. She handles all administrative issues and assists in project management, event coordination, and financial activities for the PMC. She has an AS degree in Business Administration from Peirce College.

Information Technology & Database Management

Rui Tong


Rui Tong joined the Center for Neurodegenerative Disease Research (CNDR) and Penn Center for Bioinformatics (PCBI) as part of Dr. Li-San Wang’s research team in 2012. He took part in developing and using the pipelines to analyze various next-generation sequencing projects. He also participated in developing and maintaining Penn Integrated Neurodegenerative Disease Database (INDD) as well as other informatics projects for the centers. In 2013, he began a new role as the data manager for ADC, PMC, CNDR and several other collaborating centers, managing all IT and database-related infrastructures and operations. He has a BS in computer science from the National University of Singapore.

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