Clinic Team

Meet our team

Our team of world-class physicians, providers and researchers is here to help you achieve your health and wellness goals.

  • Victoria Catenacci, MD

    Victoria Catenacci, MD

    Victoria Catenacci, MD - Clinic Medical Director and Assistant Professor

    Education & Certifications

    • BA/BS, University of Notre Dame
    • MD, Yale University
    • Residency in Internal Medicine, Yale-New Haven Hospital
    • Chief Resident, Yale-New Haven Hospital
    • Board Certification in Endocrinology

    Areas of Specialization

    • Physician-directed weight management


    Individualized behavioral strategies for weight management along with weight-loss medications for appropriately selected patients.

    Personal Notes

    • Varsity Monogram Winner, Women’s Diving, University of Notre Dame
    • NIH F32 National Research Service Award
    • NIH K23 Career Development Award
    • Principle investigator of five-year NIH-funded R01 to evaluate the optimal time to begin exercise within a behavioral weight-loss program

  • Anthony Millard, MD

    Anthony Millard, MD

    Anthony Millard, MD - Assistant Professor of Medicine

    Education & Certifications

    • MD, Northwestern University Feinberg School of Medicine (2015)
    • Residency in Internal Medicine, Emory University (2018)
    • Fellowship in Obesity Medicine & Nutrition, Boston University (2019)

    Areas of Specialization

    • Obesity Medicine

    Fitness and Health Philosophy

    Our goal is to help patients make sustainable lifestyle changes (nutrition, activity, sleep, stress) that they can carry with them for the rest of their lives.

  • Liz Chamberlain, PhD

    Liz Chamberlain, PhD

    Liz Chamberlain, PhD - Licensed Psychologist, Senior Instructor


    • BA, University of Michigan, Ann Arbor
    • PhD Counseling Psychology, University of North Texas

    Areas of Specialization

    • Mindfulness-Based Cognitive Therapy for Stress, Depression, and Anxiety
    • Navigating Changes and Life Transitions
    • Gottman Couples Therapy – Improving Connection in Relationships
    • Mindfulness and Emotional Intelligence in the Workplace
    • Healthy Relationships with Food and Eating
    • Enhancing Mind-Body Connection


    “Between stimulus and response there is a space. In that space is our power to choose our response. In our response lies our growth and our freedom.” – Viktor Frankl

    Personal Notes

    • Grew up in Colorado – happy to have returned “home” after 20 years away
    • Loves yoga, hiking, skiing, snowshoeing
    • Second Place in Denver Post 2013 Peeps Diorama Contest

  • Melissa Lanes, MS, RD, CSCS, CHES

    Melissa Lanes, MS, RD, CSCS, CHES

    Melissa Lanes, MS, RD, CSCS, CHES - Registered Dietitian & Professional Research Assistant

    Education and Certifications

    • MS Health Education and Behavior, University of Florida
    • BS Food Science and Human Nutrition, University of Florida
    • Dietetic Internship, Meredith College
    • Registered Dietitian/Nutritionist
    • Certified Strength and Conditioning Specialist
    • Certified Health Education Specialist

    Areas of Specialization

    • Individual and Group Nutrition Counseling and Education
    • Interdisciplinary Health and Wellness
      Nutrition, Metabolism, and Physical Activity Research

    Personal Notes

    • Fluent in Spanish and Hebrew
    • Passionate about helping her patients live life to the fullest

  • Marsha Miller, MS, RD

    Marsha Miller, MS, RD

    Marsha Miller, MS, RD - Senior Registered Dietitian & Senior Professional Research Assistant

    Education & Certifications

    • MS/RD, St. Louis University
    • BS, University of Nebraska ‑ Lincoln

    Areas of Specialization

    • Weight loss and wellness transformations
    • State of Slim coach
    • Diabetes research and interventions
    • Individual and small-group interventions


    Wellness changes everything! YOU can accomplish anything you put your mind to. Food is fuel.

    Personal Notes

    • Love to spend time outside being active with my son, Cody, and dog, Sammi
    • Endurance cyclist and enjoy all water sports
    • Passionate about helping others with their transformation

  • Kristin Stockman, MS, RN, ANP-BC

    Kristin Stockman, MS, RN, ANP-BC

    Kristin Stockman, MS, RN, ANP-BC - MS, RN, ANP-BC - NURSE PRACTITIONER

    Education and Certifications

    • MNS, University of Colorado Anschutz Medical Campus
    • BSN, Regis University
    • BS, University of Colorado Boulder
    • Adult Nurse Practitioner, ANCC Board Certification

    Areas of Specialization

    • Weight Management
    • Health Promotion


    “It is not how much you do but how much love you put in the doing” -Mother Teresa

    Personal Notes

    • Outside of work, I am a wife and mother of two amazing children.
    • I enjoy cooking, hiking and travelling.

  • Shelby Sullivan, MD

    Shelby Sullivan, MD

    Shelby Sullivan, MD - Associate Professor of Medicine

    Education & Certifications

    • MD, Washington University School Of Medicine, (2001)
    • MS Clinical Investigation, Washington University School of Medicine (2012)
    • BS, University of Wisconsin (1997)
    • Residency in Internal Medicine, Washington University School of Medicine (2004)
    • Fellowship in Gastroenterology, Washington University School of Medicine (2007)

    Areas of Specialization

    • Director of the Gastroenterology Metabolic and Bariatric Programs

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Contact Us

Fitness Center: 303-724-WELL (9355)
Wellness Clinic: 303-724-9030

12348 E Montview Blvd.
Aurora, CO 80045

Fitness Center Hours

M-TH: 5am-10pm
FRI: 5am-9pm
S-S: 7am-5pm