About Us

Mission Statement and Values

We are dedicated to improving people’s lives by:

  • Helping patients define and achieve recovery
  • Providing the highest-quality, compassionate care in collaboration with our patients, their families when needed, and outside treaters​
  • Practicing with integrity and discretion​
  • Using evidenced-based treatments and staying fully up-to-date with emerging research
  • Maintaining the highest ethical standards
  • Focusing on our patients’ needs first and tailoring treatment to meet those needs

Our Staff

Clinic Coordinators

Request More Information

By submitting you opt-in to sms and email communications from Cambridge Biotherapies.

Catherine Laplant

Clinic Coordinator

Catherine has worked in a variety of mental health settings, both as a clinician and an administrator. She is a certified Verbal De-Escalation Instructor and a Basic Life Support Instructor, and is happy to connect with and lend an ear to all who need.

Chara Cummings

Clinic Coordinator
Chara is an experienced mental health specialist with a love for both people and dogs, alike. You’ll find her at the front desk greeting and orienting patients or helping new patients get the information and guidance they need to make informed decisions about their care.

Ned Almeida, RN, VA-BC

Nurse Manager, Infusion Nurse

Ned is an experienced nurse who has devoted his career to excellence in vascular access and has been a member of the IV team at Massachusetts General Hospital. He has been a member of the Cambridge Biotherapies™ team since 2017. He is also an Eagle Scout.

Kelsey Paydos, RN

Asst. Nurse Manager, Infusion Nurse

Kelsey has experience in a wide range of specialties including pediatrics, adults, and infusion therapy. She has been a member of the Cambridge Biotherapies™ team since 2020.

Doreen Rynne, R.N.

Infusion Nurse

Doreen has been an RN, BSN since 2014 and joined the Cambridge Biotherapies™ team in 2021. She received her nursing degree from The MGH Institute of Health Professions and has a Bachelor’s degree in Public Health from UMass Amherst. Her background is in emergency medicine and acute care. She also works on the IV Team at MGH.

Erin Reardon, R.N.

Infusion Nurse

In addition to her role as an infusion nurse at Cambridge Biotherapies™, Erin is on the staff at Boston Children’s Hospital. She served as a Clinical Instructor in pediatric orthopedics, and is certified in BLS, IV, and pediatric resuscitation.

Erin Reilly, R.N.

Infusion Nurse

Erin is an RN, BSN with over 10 years of nursing experience. She has been part of the Cambridge Biotherapies™ team since 2021. She also works as an Emergency Room and Dialysis Nurse in Worcester, MA.

Katherine Marcinkus, R.N.

Infusion Nurse

Katherine has experience in a wide range of medical settings, including emergency and intensive care nursing. She has been a member of the Cambridge Biotherapies™ team since 2021.

Daniel T. Thompson

TMS Manager
Daniel received his BA from the University of Massachusetts and has experience in mental health services and marketing for facilities that help the homeless in Boston. He has been a member of the Cambridge Biotherapies™ team since 2016.

Dana Colley

TMS Technician
Dana is a TMS clinician and psychiatric assistant. He is a graduate of the Massachusetts College of Art and has extensive experience working as a physical care attendant for patients with quadriplegia. He is also an accomplished musician and remains active as a performer and recording artist.

Julia Finlay

TMS Technician
Julia is a TMS Technician who is kind-hearted, caring, and passionate about helping others in any way that she can. She has a BA in Psychology with a concentration in forensics from Southern New Hampshire University, where she is currently working on her Master’s degree.

Mona Itani, M.D.


Dr. Itani completed her residency in Psychiatry at Tufts Medical Center before completing a fellowship in Addiction Psychiatry at Boston University. She then served as an Attending Psychiatrist in the Addiction Psychiatry department at Boston Medical Center from 2020-2021 before joining the Cambridge Biotherapies™ team. Dr. Itani is board certified in Psychiatry and Neurology and is also certified in providing Psychedelic-Assisted Psychotherapy through the Integrative Psychiatry Institute.

Olga Pavleyeva, P.M.H.N.P

Nurse Practitioner and Infusion Nurse

Olga is a Psychiatric Nurse Practitioner with extensive training in ketamine-assisted psychotherapy. She has worked in a wide range of medical settings, including surgical intensive care, was a member of the IV team at Massachusetts General Hospital, and has been with Cambridge Biotherapies™ since 2017.

Daniel A. Brenner, M.D.

Medical Director, CEO

Dr. Brenner received his BA from Harvard University and later attended Tufts Medical School. He completed his residency in Psychiatry at Cambridge Hospital, Harvard Medical School, where he served as Chief Resident. He then served as an Attending Psychiatrist and Fellow in the Program for Psychotherapy. He was a Clinical Instructor in Psychiatry at Harvard Medical School from 2000-2010, and is a graduate of the Boston Psychoanalytic Society and Institute. He was board certified in Psychiatry and Neurology, and has been in private practice for over 20 years.

Brendan O'Connor

Vice President of Operations

As Vice President of Operations, Brendan is focused on scaling evidence-based, integrative approaches to mental health. He is co-leading the efforts at Cambridge Biotherapies™ to expand our reach to patients across New England, bringing best-in-class, leading-edge mental healthcare to those in need.

Brendan studied Process & Systems Engineering at Northeastern University (Industrial Engineering, B.S.). He completed a graduate level CE course at Harvard Medical School focusing on psychedelic-assisted psychotherapy, and a course on leadership development at Harvard Business School. Brendan is currently working on a breathwork instructor certification, is a professionally-trained leadership coach, co-founder of the non-profit “Decriminalize Nature Massachusetts,” and an Eagle Scout.

Chrystin Comeau

Director of Clinic Operations

Chrystin Comeau (“CJ”) has had a long and varied career in healthcare. She has worked in clinical labs, and in women’s health, childbirth education, and chiropractic medicine. She is a trained crisis counselor with the Crisis Text Line and is grateful for the opportunity at Cambridge Biotherapies™ to be of service to those seeking healing.

Contact Us
Call Us