Gladstone Leadership Team

Nicole Roder, LCSW-C, DBT-LBC, DBT Therapist

Nicole was born and raised in Maryland and is proud to call this state her home. She is a mother to 4 children, including 3 teenagers, and she

Mandy Smith

"Mandy Smith is native to Maryland and earned her BA in Philosophy from the University of Maryland. Winding her way between work, travel and school,

Greg Franklin, LCPC, Therapist

"I believe that change for a person comes from within. I practice a person-centered approach that helps people identify goals they want as well as the

Cathy Griffiths, LCSW-C, DBT Therapist

Cathy Griffiths grew up in Rockville, Maryland and has lived most of her life in Maryland. She earned her BA at University of Maryland College Park

Jim McGreevey, LCPC, DBT Therapist

Jim McGreevey earned his MS in Counseling Psychology from Loyola University of Maryland. He has worked extensively in the treatment of substance use

Megan Leone-Perkins, PhD, MEd, LMSW, Therapist

Megan Leone-Perkins, PhD, MEd, LMSW is a licensed social worker specializing in clinical behavioral health. She obtained her PhD in Educational

Kathleen Swanson, CRNP-PMH, PMHNP-BC, Psychiatric Nurse Practitioner

Kathleen (Kate) Swanson obtained her BS degree in Psychology at Brown University and her BSN at the University of Maryland. After working as a nurse

Courtney Joseph, DO, Psychiatrist

Dr. Courtney Joseph, DO grew up in the suburbs of Boston, Massachusetts. She earned her undergraduate degree in chemistry from Emory University in

Christina White, LCPC

Christina grew up in Northern Vermont and graduated with a Masters in School Counseling from Loyola University. She attended the University of

Christina Gunner, LCSW-C, Therapist

Christina uses a myriad of therapeutic modalities to find a style and approach that is most effective for the individual being served. She has ten

Surbhi Khanna, MD – President and Chief Medical Officer

Dr. Surbhi Khanna (she/her) is the Chief Medical Officer at Gladstone Psychiatry and Wellness. She completed her medical school from Manipal

Patricia “Trish” Dunn, MS, LCPC-S, NCC – Chief Clinical Officer

Patricia Dunn (she/her) is Gladstone’s Chief Clinical Officer. She is a Licensed Clinical Professional Counselor and Supervisor in the state of

Coleen Schrepfer, MD – Senior Medical Director of All Offices & Clinicians

Coleen Schrepfer, MD, Senior Medical Director, has been a member of the Gladstone Psychiatry Team for 5+ years. She is a board certified child and

Annie Siblergeld, LCSW-C – Director of Therapeutic Services

Annie received her Bachelor's Degree from UNC Chapel Hill and her Master's Degree from University of Maryland School of Social Work where she

Edirin Uwayzor, CRNP-PMH – Medical Director of All Clinicians in Columbia & Bethesda

Edirin Uwayzor is an ANCC Board Certified Psychiatric Mental Health Nurse Practitioner. Ms. Uwayzor takes a non-judgmental and holistic approach to

Brittany Ullman, PMHNP-BC – Medical Director of All Clinicians in Hunt Valley & Mt Washington

Brittany Ullman is a board certified Psychiatric Nurse Practitioner. Throughout her years of experience, she faced numerous situations where

Sara Jeurling, MD –  Medical Director of Frederick, Women’s Mental Health Co-Lead

Dr. Jeurling earned her medical degree from the University Of Maryland School Of Medicine and completed her residency training in psychiatry at the

Erin McAndrew, CRNP, RNC-OB – LGBTQIA+ Program Lead & Women’s Mental Health Co Lead

My name is Erin McAndrew (pronouns: she/her) and I am an adult psychiatric/mental health Nurse Practitioner. I received my undergraduate and graduate

Dina Sztein, MD/MPH – Lead Psychiatrist for Child & Adolescent Services and Quality Initiatives Director

Dina Sztein M.D., M.P.H. grew up in Columbia, Maryland. She earned her BA at Haverford College in Pennsylvania. She is a board-certified child and

Rebecca Blake, LCSW-C, DBT-LBC

Rebecca Blake, LCSW-C grew up in the Baltimore area and holds undergraduate degrees in Sociology and Women’s Studies. After working in the fields of

Vonetta Davis-Royster, CRNP-PMH – Substance Use Disorders Lead & New Clinician Orientation Lead 

Vonetta is a Baltimore-native, graduated with a BS in Nursing from Coppin State University and an MS in Advanced Practice Psychiatric-Mental Health

Danielle Cox, LCSW-C – Recruiting, New Hire and Eating Disorder Lead 

Danielle Cox is a Licensed Clinical Social Worker in the State of Maryland and a Maryland board approved Clinical Supervisor. She earned her Bachelor

Greg Franklin, LCPC – Crisis Lead 

I believe that change for a person comes from within. I practice a person-centered approach that helps people identify goals they want as well as the

Jennifer Cary, MS, LCPC – Training Lead 

Jennifer Cary is a Licensed Clinical Professional Counselor in Maryland, Virginia, and DC. She earned her Bachelor of Arts in Psychology from the