Board of Directors

Our Leaders Who Make it Happen

Meet our dedicated board of directors working to guide OAHA's Mission and Vision

Brigitte Davis

PRESIDENT

Brigitte is a Registered Homeopath practicing in Chatham ON since 2008, graduating from the Canadian College of Homeopathic Medicine. Areas of interest in her practice are chronic conditions and complicated cases. She has served on the board of Zonta Club of Chatham-Kent and the Zonta Club of Chatham Foundation multiple terms. Her dream is that Homeopathy becomes mainstream, an integrated part of our health care system, and that health benefit package coverage becomes standard. She wants to advocate for the advancement of the profession, and support homeopaths in their practices. Being on the board is her way of achieving these goals for you.

Rodolfo E. Rivas

VICE-PRESIDENT

Rodolfo E. Rivas is a Registered Homeopath and healthcare leader with more than 25 years of clinical experience in homeopathic medicine. As Founder and CEO of Vitality Health Centre, established in 1998, he has dedicated his career to delivering patient-centred care while building a trusted integrative healthcare practice in Ontario.

In addition to his clinical work, Rodolfo has made significant contributions to the advancement of the homeopathic profession through leadership, governance, and public education. He has served on the boards of several leading homeopathic organizations, including the Ontario Alliance for Homeopathic Advancement (OAHA), the Ontario Homeopathic Association (OHA), the Homeopathic Medical Council of Canada (HMCC), and the Ontario Federation of Homeopaths Practitioners (OFHP). His nearly three decades of board service reflect a longstanding commitment to strengthening professional standards, supporting effective governance, and advancing the recognition of homeopathic medicine in Canada.

As Vice President of the Ontario Alliance for Homeopathic Advancement, Rodolfo supports strategic advocacy initiatives to advance the recognition of homeopathic medicine within Canada’s employee group benefits system. He represents OAHA in its engagement with the major health insurance companies across Canada, as well as with the Canadian Life and Health Insurance Association (CLHIA) and other industry stakeholders, working to increase awareness of homeopathic services and advocate for their inclusion within employee group benefit plans.

Rodolfo brings to the OAHA Board extensive clinical expertise, leadership experience, and a strong commitment to advancing the profession through collaboration, advocacy, and responsible governance. His work continues to support OAHA’s mission of improving access to homeopathic care and strengthening the profession across Ontario and Canada.

Marti Veliz

TREASURER

Marti is the owner and founder of Vitality Through Homeopathy, healing and restoring vitality to individuals with Homeopathy, Schussler salts and Bach Flower Essences. In 2021 Marti graduated from Middlesex University, UK with a Bachelor of Science, Honors program in Homeopathy. She has a private practice in the GTA, providing services in English and Spanish. Marti’s area of focus is on women’s health, peri and postmenopausal women with sleep issues, stress and hormonal imbalance. She provides free monthly webinars to her clients and the public. Marti is currently enrolled in a Holistic Nutrition and Naturopathic Practitioner Certificate Program, to provide a full spectrum of Holistic care to her family, clients and community.

Danielle Nimeth

SECRETARY

Danielle was first introduced to homeopathy in 2018, when it made a meaningful difference in her family’s health. Inspired by this experience, she began her studies at the Ontario College of Homeopathic Medicine (OCHM), where she is currently enrolled and expected to graduate in 2027. Danielle is especially passionate about supporting children and their families through homeopathy, helping them build strong foundations for lifelong wellness. Motivated by wishing she had discovered homeopathy sooner, she is dedicated to making it more accessible to Canadians and envisions its integration into the broader healthcare system.

Shahram Ayoubzadeh

DIRECTOR

After studying medicine and specializing in infectious and tropical diseases, Shahram started his journey in Holistic Medicine by studying acupuncture, Naturopathic Medicine, and finally specializing in Classical Homeopathy. He has been in practice for 34 years and teaching homeopathy at CCHM for the last 24 years. Shahram is the Clinical Director of the Integral Health Clinic, the Dean of the Canadian College of Homeopathic Medicine, the President of the Council of Homeopathic Colleges and Schools, a Board Member of the Canadian Coalition for Homeopathy, and a founding member of the Ontario Alliance for Homeopathic Advancement.

Liz Dennis

DIRECTOR

Liz was introduced to homeopathy as a young mom of two lively boys where she had the opportunity to experience the benefits of homeopathy firsthand. This inspired her to pursue the study of homeopathy as a second career. Liz has been a registered homeopath with the College of Homeopaths since 2018. She completed her homeopathic education and clinical training at the Ontario College of Homeopathic Medicine. Liz has the privilege of serving families in all ages and stages of life from her practice in Guelph, Ontario.

Haroula Battista

DIRECTOR

Haroula Battista is the Dean and VP of Student Affairs at the Ontario College of Homeopathic Medicine (OCHM). She holds an Honours BSc from the University of Toronto, a DHM and Health Sciences from OCHM, and a Master’s in counselling psychology. As a psychotherapist and experienced homeopath, Haroula brings a wealth of expertise to her private practice in Toronto. She continuously pursues opportunities to deepen her knowledge and refine her skills. Haroula’s unique combination of psychotherapy and homeopathy allows her to provide a dynamic and integrative approach to care, addressing mental, emotional and physical well-being to create transformative healing experiences.

Patricia Cardona

DIRECTOR

Patricia is a 4th year Fellowship graduate of the Canadian College of Homeopathic Medicine and a Registered Homeopath with CHO. She has been practicing in Mississauga since 2009 and while she has a general practice, her areas of interest are chronic conditions and mental health. She is passionate about making Homeopathy mainstream, which is why she gives presentations to better inform the public. As a member of the OAHA board, Patricia hopes to get Registered Homeopaths included in insurance benefit plans to support the future of the profession and make Homeopathic treatment more accessible.