Meet Our Staff
Linda (Lindy) S. Reymann, PhD, LCPC, RN
Assistant Vice President of the Wellness Center
Dr. Reymann completed her PhD in Pastoral Counseling from Loyola University in Maryland May 2010. Currently she is the first director of the Wellness Center, which opened in the fall 2006. She has overseen the daily operation of the center's health and counseling services with a passion for holistic health promotion. In addition to being a registered nurse (RN), Dr. Reymann is a Nationally Certified Counselor (NCC) and a Licensed Clinical Professional Counselor (LCPC). She is a member of the American College Health Association (ACHA), American Counseling Association (ACA), Association for University and College Counseling Center Directors (AUCCCD).
Julie Sanz, MSN, CRNP
Assistant Director & Nurse Practitioner
Julie Sanz, a licensed Adult Nurse Practitioner (CRNP), joined the Wellness Center staff in August 2011. She received her Bachelor's degree in nursing from The Catholic University of America in Washington, D.C. and her Master's degree from Johns Hopkins University. Julie was working in the Department of Neurosciences for 10 years at Johns Hopkins Hospital before making the transition to College Health. She is dedicated to providing quality care to the students with a focus on health education and accountability for healthcare decisions. She enjoys taking the extra time with students to answer questions and educate them on how to make wise health choices.
Sally Bonefas, PsyD
Dr. Sally Bonefas, a Licensed Clinical Psychologist, joined Stevenson's Wellness Center in February 2013. Prior to joining SU, she worked at Drexel University's Office of Counseling and Health, providing individual psychotherapy and supervising pre-doctoral psychology trainees. She completed a post-doctoral fellowship in Clinical Psychology at College of Charleston Counseling and Substance Abuse Services, and a pre-doctoral internship at Rowan University Counseling and Psychological Services. She earned her M.Ed. in School Counseling at Loyola College Maryland and her Psy.D. in Clinical Psychology at Immaculata University.
Dr. Bonefas's professional interests include family of origin issues, identity development, interpersonal relationship dynamics, and mood disorders. She enjoys helping students navigate adjustment issues, interpersonal relationships, and family concerns, as well as strengthening coping skills and resiliency.
Colleen Mulcahey, Psy.D.
Dr. Mulcahey joined Stevenson’s Wellness Center in September 2019. She received her Bachelor’s degree in Psychology from Saint Bonaventure University, and her Master’s degree in Counseling Psychology from Northeastern University. She recently completed her doctoral degree from Chatham University with a Psy.D. in Counseling Psychology after finishing her internship at the University of North Carolina-Charlotte and post-doctoral fellowship at the University of Rhode Island.
Dr. Mulcahey has experience across a range of clinical settings, but enjoys working with young adults as they transition into the next stage of their lives. Her professional interests include building healthy interpersonal relationships, identity development, anxiety, substance use, and self-care.
Dr. Tammi Davis, MD
Dr. Davis is a Board Certified Family Physician who has been in clinical practice in Maryland since 1990. Dr. Davis has extensive experience working with adolescents and young adults in the College Healthcare setting. Encouraging the students to take responsibility for their own health and teaching them habits that will keep them safe and healthy is her goal. She also sees students at the Goucher College Health Center as well as the Towson University Health Center, and joined the Stevenson Community in 2007.
Sudin Thomas, MSN, FNP-BC
Family Nurse Practitioner
Sudin Thomas, a board certified Family Nurse Practitioner (FNP), joined the Wellness Center in January 2018. She obtained her Bachelor's degree in nursing from The University of Illinois at Chicago. Sudin received her Master's and is currently finishing up her PhD in nursing at The Catholic University of America in Washington, D.C. Sudin has worked in trauma/emergency medicine for five years at Northwestern Memorial Hospital in Chicago, R Adams Cowley Shock Trauma Center in Baltimore, and the University of Maryland Medical Center. She has also worked at a busy walk-in health clinic for two years and has taught undergraduate and graduate nursing courses. Sudin believes that it is important to educate college students to be responsible for their health and wellbeing as they transition from pediatric care to adult health.
Brian M. Siegel, MD
Dr. Siegel has been a psychiatric consultant to the Wellness Center since 2009. He has been in private practice in Towson, MD for 23 years and has had experience with college health consultation since 2003. He earned his BS degree in psychology at Duke University. In 1982, he received his medical degree from the University of Maryland at Baltimore, where he then completed an internship in pediatrics, residency in general psychiatry, and fellowship in child and adolescent psychiatry. He is Board Certified in General Psychiatry and in Child and Adolescent Psychiatry and is a Fellow of the American Psychiatric Association. Dr. Siegel has had experience in many different clinical settings, but since 1987 has most enjoyed private practice with child, teen, and young adult populations, particularly those with attention, mood, and anxiety problems. He is especially concerned that students understand their emotional health needs and that they integrate a variety of treatment approaches into their lives of increasing self-reliance.
Tahna E. Purnell, MA, LCPC
Tahna Purnell is a licensed clinical therapist in the state of Maryland. She holds a bachelor degree from Lincoln University in Pennsylvania and a MA in Counseling Psychology from Towson University. Tahna is a person-centered therapist that enjoys collaborating with clients to determine the best way to address their concerns and challenges. For the past eight years, she has had the honor of working with many adults, adolescents, and children from a variety of cultural, religious, and socioeconomic backgrounds in a number of settings. Tahna works hard to help restore her clients' hope and help them feel empowered. She encourages her clients to practice self-care and set appropriate personal boundaries. Tahna has experience counseling clients through life transitions, depression, anxiety, debilitating anger, behavioral issues, mood instability, family issues, couples challenges, and academic concerns. When not working, Tahna enjoys relaxing at home with her husband, two children, a good mystery book, and a delicious cup of tea.
Christie Sleeth ‘17
An aluma of Stevenson, Christie joined the Stevenson Staff in 2008 and has been with the wellness center since February 2018.
Psychology Doctoral Externs
James Gresh, M.S.
James Gresh is a graduate student pursuing his PsyD in Clinical Psychology at Loyola University of Maryland. He currently has a bachelor degree in psychology from the University of Cincinnati and an MS in Clinical Psychology from Loyola University of Maryland. James’ work is inspired by existential philosophy and psychology. Through this lens he strives to empower clients and encourage their autonomy. He has experience working in psychiatric hospital setting, as well as, previous experience in college counseling. James spends his recreational time with his wife and dog, working on creative projects, watching Netflix, and listening to or reading a good book.
Lyla Wadia, M.S.
Lyla is a psychology doctoral extern in her third year at Loyola University Maryland. She earned M.S. in Clinical Psychology while in the Master's program at Loyola University Maryland and her bachelors at Whitman College. In addition to her placement at Stevenson, Lyla is also externing at the National Institute of Mental Health, providing neuropsychology assessment services to a range of adult clients.
In her spare time, Lyla enjoys volunteering at the Maryland SPCA, running, hiking and traveling. Lyla is excited to collaborate with the board to make MPAGS into a larger and more diverse organization that serves the needs of graduate students all over Maryland. Lyla is excited to work with young adults and help them navigate through the difficult emotions, stressors and anxieties that can arise during their time at Stevenson University.
Daniel Summers, M.S
Dan Summers is a graduate student at Loyola University Maryland, pursuing his doctorate in clinical psychology. He earned his bachelor degree from Tulane University and worked in research for several years before moving to Baltimore for his PsyD program. Once he earns his doctoral degree, he plans to obtain licensure and pursue a career in therapy.
Dan sincerely believes in the healing power of the therapeutic relationship, and works towards developing strong, meaningful connections with each of his clients. He employs a collaborative approach in which clients feel empowered to actively engage in their treatment and apply takeaways from therapy to their everyday lives.