About Us

Rittenhouse Psychological Services is a boutique practice focused on helping adults thrive while living with ADHD.

Using the science of habit formation and behavioral pattern creation we collaborate with our clients to help them learn and apply the skills they need to address the ways in which ADHD impacts their life. The collaborative approach we take allows us to work together with our clients to overcome the obstacles that may present themselves during the learning process; thereby increasing success.

In the initial stage of treatment, we spend a time assessing the various ways in which ADHD impacts our client’s lives and the strategies that they have developed to help them cope. We then create systematic plan for addressing each of these areas of concern. When obstacles arise, we work with our clients to problem solve, finding strategies for dealing with the hurdles.

While working on concrete tasks, we are able to address the guilt and shame that often comes up. These feelings often accumulate from a lifetime of trying to meet the demands of living in a neurotypical world with a nuero-atypical brain. This guilt and shame can lead to issues with self-esteem. A lifetime of difficulty doing the things you know you need to do can cause you to doubt your abilities and makes it hard to trust yourself. Every fault and instance of struggle then further mounts on the pile of shame, making it harder to approach their tasks.

At RPS, we strive to address both the practical and the emotional impact of ADHD in tandem, allowing for magnified growth and healing.

Who We Are

Dr Marcy Caldwell

Marcy M. Caldwell, Psy.D.

Marcy the director and supervising psychologist at Rittenhouse Psychological Assessments and is a licensed clinical psychologist who has been specializing in the treatment and assessment of ADHD and learning disabilities for over 15 years. She is the former senior assessment supervisor at Tuttleman Counseling Services at Temple University and a lecturing professor at the University of Pennsylvania. In addition to these roles and her private practice, she has also worked at Villanova University, Seabrook House, The Temenos Center and JJ Peters Institute.

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Alexei was born in Moscow, Russia. In 1991, his family immigrated to the United States and settled in Princeton, New Jersey.

Alexei was fascinated with the world’s wisdom traditions from a very early age. This passion eventually led to graduate studies at New York University, which he completed in 2011. His contribution to the mental health field has included two years at the Young Adult Institute, where he counseled individuals on the autism spectrum and their families, one year at Holliswood Psychiatric Hospital and two years at Comprehensive Counseling, where he provided individual and family psychotherapy services. Following eight years in New York City, Alexei moved to the City of Brotherly Love and Sisterly Affection, where he has worked with Mainline Health’s Partial Hospitalization Program and Omni Health’s Outpatient Services Program and where he now works with Dr. Caldwell and in private practice.

Alexei’s approach is grounded in the mindfulness tradition and modalities like Mindfulness-Based Stress Reduction, Dialectical Behavioral Therapy and Acceptance and Commitment Therapy. He finds that the mindfulness toolkit allows individuals to create a wider gap between stimulus and response, which enables them to choose actions in integrity with their values, priorities, goals and dreams. His approach is pragmatic and solutions-focused. Alexei works with his clients to help them create positive habits, routines and systems that allow them to live a life of excellence and joy, in service to themselves, their families and their community.

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Mateusz (Matt) Golebiewski, Psy.D.

Matt completed an APA-accredited internship at Temple University’s Tuttleman Counseling Services and received his doctorate in clinical psychology from Loyola University Maryland. Matt will remain at Tuttleman Counseling Services as a post-graduate counseling fellow in 2018-2019. Throughout the course of his training, Matt worked in a variety of settings conducting both therapy, psychoeducational and neuropsychological assessments, including Morgan State University, Chase Brexton Health Services, and Johns Hopkins University Department of Rehabilitation.

Matt’s approach to assessment is client-centered and strength-based. During the course of testing, Matt works to understand each client’s unique strengths and coping strategies. Matt realizes that every client is unique and presents with their own difficulties. He works to help clients utilize these strengths and strategies in conjunction with clinically based recommendations in an individualized and personal way.

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