Dr. Magin Day is a Clinical Sports Psychologist, who is board certified in Clinical Psychology. She earned her PhD in Clinical Health Psychology from the University of North Carolina at Charlotte, where her research focused on the intricate relationship between physical and psychological health in military personnel. She completed her residency at the Wilford Hall Ambulatory and Surgical Center at Lackland Air Force Base in San Antonio, Texas, where she honed her expertise in treating complex trauma while serving as an active-duty Clinical Psychologist in the Air Force.

As a former Division I distance runner at North Carolina State University, she brings firsthand experience to her practice. She has also represented the United States Air Force in international competitions across various sports, including cross country, track and field, marathon running, and equestrian three-day eventing.

At McCallum Place, Dr. Day leverages her educational background, clinical expertise, and athletic experience to create compassionate, tailored interventions. Her work focuses on the unique challenges faced by athletes struggling with eating disorders, emphasizing the vital connection between physical and psychological health.

Linda is a board certified specialist in sports dietetics (CSSD) and certified eating disorder specialist (CEDS) with experience working in collegiate athletics, private practice, and now as the Director of Nutrition at EDCare and the Athlete EDGE Program, an eating disorder treatment facility that has a program specific for athletes. Her philosophy is rooted in supporting folks in developing positive relationships with food, grounded in HAES and Intuitive Eating. Linda aims to help her patients challenge diet culture and unlearn internalizations from it. Linda leads with compassion while remaining direct and supportive in her sessions.

Amanda Tierney, MS, CSCS, CEDS-C is a Certified Eating Disorder Specialist and Consultant and the Executive Director of the Body Positive Fitness Alliance, an organization dedicated to transforming fitness and sport culture through eating disorder-informed education and advocacy. She also serves as an eating disorder-informed and sensitive coach at Athlete Insight, where she supports athletes navigating the intersection of performance and psychological well-being. With credentials spanning clinical eating disorder care and applied sport science, Amanda brings a distinctive interdisciplinary perspective to her consulting work with universities, athletic departments, and sport organizations. She partners with institutions to develop and strengthen the policy frameworks, staff education, and early intervention protocols needed to identify and support student-athletes at risk for or living with an eating disorder — in ways that are both evidence-based and culturally attuned to the realities of competitive sport. Amanda’s work sits at the crossroads of clinical expertise, strength and conditioning, and institutional systems change — making her a sought-after consultant for schools and athletic programs seeking to move beyond awareness and into meaningful, sustainable policy action. She is deeply committed to championing a cultural shift in sport that centers whole-person health, body respect, and long-term athlete well-being.

Savannah Landis, PsyD is a licensed clinical and sport psychologist. Dr. Landis graduated with her PsyD from Loyola University Maryland in 2021. Dr. Landis completed her pre-doctoral internship at Lehigh University specializing in sports psychology and completed her post-doctoral residency at McCallum Place Eating Disorder Centers specializing in the treatment of athletes with eating disorders. Dr. Landis also has extensive training in psychological assessments including IQ & achievement tests, ADHD/Autism evaluations, and mood/personality assessments. Dr. Landis was also a competitive swimmer for ten years and coached age-group swimming for three years. Dr. Landis continues to have a love for sport and movement as she engages in recreational running, group fitness classes, and family walks outside.

Tamie Gangloff MA MFT is therapist and National Clinical Outreach for Healing at Hidden River. She is also an adjunct professor at West Chester University teaching Eating Disorder Psychology. Tamie completed her Master’s in Clinical Psychology at Antioch University in Santa Barbara and has worked at all levels of care for eating disorders and substance abuse. She is an advocate with the Eating Disorders Coalition, Tamie is the Founding President of the Southwest Philly IAEDP chapter, and a former group leader for The National Alliance for Eating Disorders. She is the Medical Trauma Advisor for Root to Branch. Tamie is the author of ‘Chronic Illness and Eating Disorders: Assessment, Clinical Skills and Lived Experiences’

Maria Ortiz, M.S, LMHC, CEDS Maria Ortiz is a Licensed Mental Health Counselor, and earned her Master of Science in Clinical Mental Health Counseling from Keiser University. She is a Certified Eating Disorder Specialist, having undergone additional training, education, supervision, experience, and examination requirements to earn this designation. She primarily works with individuals with eating disorders and body image concerns, but also has experience working with presenting problems including addictions, OCD, anxiety, depression, PTSD, and sport-related concerns. Maria uses an integrative approach to therapy, and derives her work from a Health At Every Size perspective. Maria’s authentic and genuine approach to counseling helps her clients to feel as though they can be their truest selves as well. She is caring, invested, and passionate about her work, which provides a unique space of safety and encouragement. Maria is a nationally recognized published author and speaker, and continues to write and publish in her book series, Finding Freedom. She is also published in the Society for the Advancement of Psychotherapy Bulletin, and is a leading voice in the eating disorders community. She can often be found providing lectures, educational trainings, and keynote speaking engagements to neighboring community members, as well as across the country. Maria also has experience working in rehabilitation for a dual diagnosis inpatient/residential facility, giving her experience in a variety of therapeutic settings.

Lizzie Briasco, MSc, RD, CSSD, LDN, is a sports and eating disorder dietitian who works with people of all backgrounds to make their relationship with food, movement, and body align with who they want to be and the life they want to live. She completed her dietetic internship through the Emily Program in St. Paul, Minnesota, in 2016 and subsequently worked with TEP for about a year before pursuing her Masters in sports & exercise nutrition at Loughborough University in the UK. While she was completing her thesis, she got matched to Purdue University through the Gatorade SNIP program where she functioned as a full-time sports dietitian for football, cross country, and tennis, for a year. After that program ended, she moved to NC where she worked as an IOP/OP eating disorder dietitian for 3 years before opening her own practice, Transition Nutrition.