Our professional team is committed to ensuring you and your clients receive maximum benefit from our working relationship.

Dr. Stewart Zelman
Dr. Zelman is a psychologist, trainer, life-coach, and the founder of both Zelman & Associates and the Centers for Motivation, Inc., based in Bethesda, Maryland. Through Z&A, Dr. Zelman has provided more than 30 years of service to adults with developmental disabilities.

Kachen Alsopp
Kachen has worked with Z&A for more than twelve years. She was awarded her Masters degree from Howard University, and is a Ph.D. candidate. Kachen has extensive experience providing services to residents in group homes.

Lizzie Timothy
Lizzie Timothy has worked with Z&A for ten years.  She has Masters degrees in Clinical Psychology and Business Administration and has a Diploma in Higher Education.  She works closely with Dr. Zelman and the Z&A team to help adults with developmental disabilities communicate their needs more effectively, and develop healthy and socially appropriate coping mechanisms to deal with stress.

Mawule Sevon, MA
Mawule has a BA in Psychology, and a Masters degree in School Psychology. She has experience with children in schools, summer camps, and community centers. She also had the privilege of working with individuals from various backgrounds and with various disabilities. She enjoys working with individuals and helping them reach their full potential.

Vanessa Siemans
Vanessa was graduated in 2009 with her B.S. in Psychology from the University of Maryland Baltimore County, magnum cum laude. She is currently pursuing her Master's in social work, with a clinical concentration specializing in children and families. Throughout her graduate program, she has interned with the Title IV-E program in Maryland, which seeks to improve child welfare worker competency and retention rate through education. Vanessa has received special training in motivational interviewing.

Kristin Backstrom
Kristin provides the Z&A team with marketing and administrative support, including development and execution of strategies to expand Z&A's business, as well as coordination of schedules and team calendars, report distribution, and bookkeeping. She is currently completing her Master's degree in Management/Marketing through the University of Maryland system and will then begin her Ph.D. in Social Psychology.