Ovum is backed by some of Australia’s brightest minds; uniting experts from healthcare, technology, and innovation to close the gender health gap.
Ovum is backed by some of Australia’s brightest minds; uniting experts from healthcare, technology, and innovation to close the gender health gap.
The team
The team


Dr. Ariella Heffernan-Marks
Founder and Chief Executive Officer
Ariella is a medical doctor and PhD candidate at The George Institute for Global Health, researching AI and women’s health, focusing on running clinical trials with Ovum. Drawing on her medical background and deep commitment to closing the gender health gap, Ariella leads Ovum with a vision to harness AI in delivering personalised, tech-driven healthcare for women.

Stefanie Digianvincenzo
Chief Marketing Officer
Stefanie is a creative leader with experience at top agencies including Clemenger BBDO, DDB, and AKQA London. She co-founded Rare, Google’s global diversity and inclusion platform, and founded Apostrophe, Melbourne’s first copywriting agency. Most recently at Meta, she spent five years helping major partners innovate and build brand love — with work recognised at leading international award shows.

Stefanie Digianvincenzo
Chief Marketing Officer
Stefanie is a creative leader with experience at top agencies including Clemenger BBDO, DDB, and AKQA London. She co-founded Rare, Google’s global diversity and inclusion platform, and founded Apostrophe, Melbourne’s first copywriting agency. Most recently at Meta, she spent five years helping major partners innovate and build brand love — with work recognised at leading international award shows.

Madeleine Lucas
Chief of Staff and Operations
Madeline is a relationships, strategy, communications, and impact expert with over a decade of experience at the intersection of business, investment, and culture. Previously, she held leadership roles at Small Giants and Impact Outfit, combining strategic vision with operational precision to drive positive change. As Chief of Staff at Ovum, she works alongside Dr. Ariella Heffernan-Marks to scale this category-defining company that is changing the game in women’s health and data sovereignty.

Madeleine Lucas
Chief of Staff and Operations
Madeline is a relationships, strategy, communications, and impact expert with over a decade of experience at the intersection of business, investment, and culture. Previously, she held leadership roles at Small Giants and Impact Outfit, combining strategic vision with operational precision to drive positive change. As Chief of Staff at Ovum, she works alongside Dr. Ariella Heffernan-Marks to scale this category-defining company that is changing the game in women’s health and data sovereignty.

Alex Buntowe
Senior Founding Engineer
Alex is a software developer with ten years of experience, having worked at IBM, Endeavour Group, and on major projects in banking, government, defence, and retail. He also brings startup experience as a founding engineer for a platform that helped migrants settle in Australia. Passionate about using technology for impact, he is committed to addressing the gender health gap while ensuring data privacy and security.

Alex Buntowe
Senior Founding Engineer
Alex is a software developer with ten years of experience, having worked at IBM, Endeavour Group, and on major projects in banking, government, defence, and retail. He also brings startup experience as a founding engineer for a platform that helped migrants settle in Australia. Passionate about using technology for impact, he is committed to addressing the gender health gap while ensuring data privacy and security.
Medical & Research Advisors
Prof Michael Champan
Clinical Advisor, Medical Director, Fertility Specialist and Gynaecologist
Dr Talat Uppal
Clinical Advisor, Gynaecologist, Women's Health Road
Dr Sue Haupt
Senior Research Fellow, Centre for Sex & Gender Equity in Health and Medicine at The George Institute
Dr Manjri Raval
Clinical Advisor, Endocrinologist & General Internal Medicine Physician
Nutrition & Health Experts
Sheryl Carrol
Integrative Health Practitioner and Women's Wellness Coach
Dr Megan Gow
Senior Research Fellow & Dietitian, The George Institute for Global Health
Melanie White
Health & Behavioural Coach/Advisor & Biologist
Business, Tech & Strategy Advisors
Dr Catherine Keating
Former Senior Executive Member Health / Head of Preventative Health, Medibank
Emma MacKenzie
Former Chief of Staff & Head of Communications, Clue
Andy Timms & Benjamin Bray
Founding Partners at Nakatomi
Casey Cosh
Medical B2B Sales, Head of National Sales at J&J
Dr Nick Engerer
Founder and CEO, A Longer Life
Rachel Delaney
Commercial & Data Privacy Lawyer
Clinical Trial Supervisors
Prof Amanda Henry
Professor, Discipline of Women’s Health, School of Clinical Medicine, UNSW
A/Prof Rebecca Deans
Associate Professor, Life Fertility Clinic
Dr Oisin Fitzgerald
Researcher and Senior Data Analyst, Centre for Big Research in Health
Prof Eva Dimitriadis
Professor in Reproductive Biology, Co-Director, Gynaecology Research Centre, University of Melbourne
Prof Michael Champan
Clinical Advisor, Medical Director, Fertility Specialist and Gynaecologist
Dr Talat Uppal
Clinical Advisor, Gynaecologist, Women's Health Road
Dr Sue Haupt
Senior Research Fellow, Centre for Sex & Gender Equity in Health and Medicine at The George Institute
Dr Manjri Raval
Clinical Advisor, Endocrinologist & General Internal Medicine Physician
Medical & Research Advisors
Nutrition & Health Experts
Sheryl Carrol
Integrative Health Practitioner and Women's Wellness Coach
Dr Megan Gow
Senior Research Fellow & Dietitian, The George Institute for Global Health
Melanie White
Health & Behavioural Coach/Advisor & Biologist
Business, Tech & Strategy Advisors
Dr Catherine Keating
Former Senior Executive Member Health / Head of Preventative Health, Medibank
Emma MacKenzie
Former Chief of Staff & Head of Communications, Clue
Andy Timms & Benjamin Bray
Founding Partners at Nakatomi
Casey Cosh
Medical B2B Sales, Head of National Sales at J&J
Dr Nick Engerer
Founder and CEO, A Longer Life
Rachel Delaney
Commercial & Data Privacy Lawyer
Clinical Trial Supervisors
Prof Amanda Henry
Professor, Discipline of Women’s Health, School of Clinical Medicine, UNSW
A/Prof Rebecca Deans
Associate Professor, Life Fertility Clinic
Dr Oisin Fitzgerald
Researcher and Senior Data Analyst, Centre for Big Research in Health
Prof Eva Dimitriadis
Professor in Reproductive Biology, Co-Director, Gynaecology Research Centre, University of Melbourne
Investors
Investors





Research & Clinical Trials
Research & Clinical Trials




© 2023 Ovum Technology Holdings Pty Ltd. All rights reserved.
© 2023 Ovum Technology Holdings Pty Ltd. All rights reserved.