Meet the LEAF® Team

We are a team of physicians, allied health and medical office professionals and who are committed to helping you reach and maintain a healthy weight.

Physician Team

  • Dr. Judy Shiau, FRCP, Dipl. of ABOM

    Medical Director, Lead Bariatric Physician

    Dr. Shiau is committed to helping patients and weight management clinicians build skills, make connections and engage in change through compassionate care.

  • Dr. Robert Dent, FRCPC

    Bariatric Physician & Endocrinologist

    Dr. Dent is an advocate for patients and is a clinician who understands that weight is not your fault. He champions your power to make positive change where you can.

  • Dr. Leigh Waters, MBBS, CCFP, Dipl. of ABOM

    Bariatric Physician

    Dr. Waters is passionate about helping patients live a meaningful, purpose-driven life, and removing the barriers that prevent them from doing so. She utilizes CBT & mindfulness-based strategies to engage patients with weight management.

  • Dr. Hussain Abujrad, FRCPC

    Endocrinologist

  • Dr. Clark, CCFP

    Bariatric Physician

Allied Health Team

  • Danielle Aldous, RD CDE CBE

    Lead Registered Dietitian

    Danielle values persistence in the process of change . She understands that your path to success is unique to you and that having a knowledgeable guide to help you navigate that path can make all the difference.

  • Colette Hansen, MS, RD CBE

    Registered Dietitian

    Colette takes a realistic approach to healthy eating. She believes in meeting people where they're at to create a plan that is both enjoyable and sustainable.

  • Taleen Ashikian

    Student Volunteer

    Taleen is a medical student who is interested in a wholistic approach of assessing the experience of patients in their journeys.

Medical Office Team

  • Julie Laroche

    Medical Office Manager

  • Razia Shahzada

    Medical Office Assistant

Bariatric Fellows

  • Dr. Abdullah Badawi

    Bariatric Medicine Fellowship Physician

    Dr. Badawi's passion for weight management is focused on making the journey enjoyable, which can enhance motivation and ultimately lead to greater success in managing weight.

  • Dr. Alexandra Bussieres

    Bariatric Medicine Fellowship Physician

  • Dr. Ran Cheng, FRCPC

    Bariatric Medicine Fellowship Physician

    Dr. Cheng is an advocate of patient-centered care, actively dedicating herself to being a supportive and devoted ally for her patients throughout their weight journey.