Our Team
Empathic and professional Philadelphia therapists that you can trust.
Your relationship with your therapist has the potential to be a deeply personal one in which you might share meaningful thoughts, feelings, and experiences that you might not feel comfortable sharing with anyone else. When you look for counseling or therapy in Philadelphia, you deserve a seasoned team of psychologists and therapists that can put our experience to work for you.


Alexandra Chadderdon Psy.D.
Licensed Psychologist
Teletherapy psychologist Ali Chadderdon, Psy.D. provides virtual online therapy to adolescents, young adults, and adults. She enjoys helping her clients cultivate self-compassion and approach challenging situations with equanimity. Her goal is to help clients connect with their unique values and goals and find healthy ways to navigate that path. Ali believes that developing a collaborative and safe relationship is the core to effective therapy. She works to identify each client’s strengths and helps to recognize and emphasize those strengths, as well as assisting with challenges and difficulties. Ali enjoys using therapeutic techniques from Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), Dialectical Behavioral Therapy (DBT), and clinical hypnosis. She is a fierce ally to the BIPOC and LGBTQIA+ communities and everyone is welcomed.
Focuses
- Hypnosis
- Women’s Health
- Depression
- Anxiety
- PTSD/Trauma
- Chronic Pain
- Chronic Illness
- Active duty military and veterans

Luci MacNamara Psy.D.
Licensed Psychologist
Bryn Mawr and Philadelphia psychologist Luci MacNamara, Psy.D. works with adolescents, adults, and groups. She enjoys helping clients to get in touch with their inner worlds to enhance self-understanding and improve relationships. Her relational psychodynamic approach is influenced by attachment theory and family systems, while also integrating acceptance and commitment therapy techniques. Luci values the bravery and vulnerability it takes to ask for help, heal our wounds, and embrace our full selves. At the core of her therapeutic approach is having an open and trusting relationship with each client, as she believes this is a key step in supporting and sustaining change. Luci has a warm and inviting demeanor that allows clients to feel comfortable and engage in self-exploration.
Focuses
- Relationship concerns
- Identity development
- Anxiety
- Depression
- Trauma
- Immigration and acculturation

Jen King Ph.D.
Licensed Psychologist
Philadelphia Psychologist Jen King, Ph.D. works with adolescents, young adults, and adults. Jen enjoys working with clients to increase their understanding of themselves and how their past plays out in the present. She believes once clients have a better understanding of the causes of their problems, they can be more intentional in creating meaningful, satisfying relationships with themselves and others. She practices from a relational psychodynamic framework, while incorporating cognitive-behavioral and feminist principles into her work. Importantly, she believes a strong client-therapist relationship is essential for lasting change. Therefore, she places an emphasis on creating a therapy environment where clients can feel supported, accepted, and empowered. Jen comes across as warm, empathic, and genuine, which helps clients feel understood and comfortable to engage in self-exploration.
Focuses
- Attachment and Relationship Concerns
- Body Image and Disordered Eating
- Identity Development
- Anxiety
- Depression
- Women’s Mental Health
- College and Graduate Student Mental Health
- Parenting

Eric Spiegel Ph.D.
Licensed Psychologist
Bryn Mawr & Philadelphia psychologist Eric Spiegel, Ph.D. works with adolescents, adults, couples, and groups. He enjoys helping his clients recognize, develop, and master their inner strengths and resources to deal with a number of concerns, including anxiety, depression, trauma, relationship issues, and physical psychosomatic symptoms. His relational approach is influenced by attachment theory and self psychology; he also enjoys integrating experiential techniques such as clinical hypnosis into therapy, as applicable. Clients describe Eric as possessing a calm, consistent, and curious demeanor that allows them to feel understood and build self-awareness. They also note that he brings a sense of energy and humor to the room that is active, engaging, and present. This combination allows him to be direct and interactive with clients while maintaining a soothing and collaborative empathic connection.
Focuses
- Anxiety
- Depression
- Attachment and relationship concerns
- Identity development
- Grief and Loss
- Trauma
- Psychosomatic Disorders & Health Psychology
- Pain Management

Jon Krigel Psy.D.
Licensed Psychologist
Philadelphia psychologist Jon Krigel, Psy.D. works with adolescents, adults, couples, and groups. His principle focus as a therapist is to cultivate a meaningful connection with clients which encourages introspection and collaborative exploration. Jon primarily employs a relational psychodynamic approach to therapy which emphasizes reflective and patient listening. Additionally, Jon effectively integrates, when applicable, techniques from other schools of thought, such as mindfulness, behavioral, and analytic interventions. Clients describe Jon as caring, engaging, and warm. He maintains a safe and trusting environment while being dedicated to providing the therapy that is best suited for each individual. In this way, Jon consistently develops close relationships with his clients that enable personal growth and a more developed understanding of self.
Focuses
- Personality disorders
- Anxiety
- Depression
- Grief and loss
- Internet addiction
- Video game addiction
- Attachment and relationship concerns
- Identity development
- Trauma

Rayna Markin Ph.D.
Licensed Psychologist
Bryn Mawr psychologist Rayna Markin, Ph.D. works with adults, couples, and groups. Her principal area of focus is maternal mental health, pregnancy loss, and infertility. She is passionate about working with women and couples who have experienced pregnancy loss and/or infertility, helping them to process and make meaning from reproductive trauma, rebuild self-esteem, feel less alone and misunderstood, and more connected to their partners. Her theoretical orientation is influenced by psychodynamic, attachment, emotion-focused, and interpersonal psychotherapies. Clients describe Rayna as empathic, supportive, and easy to relate with. She places an emphasis on building collaborative therapeutic relationships that help her clients feel understood and accepted.
Focuses
- Maternal Mental Health
- Pregnancy Loss and Infertility
- Perinatal Depression and Anxiety
- Grief and Loss
- Pregnancies Following Loss
- Reproductive Trauma
- Attachment and relationship concerns
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