About Us

Male fertility is changing. We’re here to make sure that fatherhood isn’t.

Not just as experts in male fertility. As fathers, too. And aspiring parents. And people who understand how much that decision matters.

We ensure your legacy. You define it.


Together with today’s leaders in fertility.

We’d like you to meet our advisors—a group of international fertility and healthcare experts as passionate about fatherhood as we are.

Dr. Aaliya Yaqub

Clinical Instructor, Stanford School of Medicine; Strategic Advisor

Dr. Paul Turek

Leading Expert, Men’s Sexual Health and Reproductive Urology; The Turek Clinic

Dr. Francisco Arredondo

Former Chief Medical Officer, Aspire Fertility

Dr. Gail Prins

Pioneer, Sperm Transport Media; University of Illinois at Chicago

Dr. Denny Sakkas

Scientific Director, Boston IVF

Dr. Alister Martin

Massachusetts General Hospital and Brigham and Women's Hospital, Emergency Physician

Dr. Marcia Inhorn

International Expert on Male Fertility; Professor, Yale University

Dr. Allan Pacey

International expert in Andrology; Sheffield University

Nima Elmi

Thought Leader, the Fourth Industrial Revolution; Head, World Economic Forum

Dr. Aaliya Yaqub

Clinical Instructor, Stanford School of Medicine; Strategic Advisor
Our Team

We are all
someone’s legacy.

We’re a Harvard-backed group of men and women who understand fatherhood—and how much it matters.

The Legacy team brings international experience in male fertility, healthcare policy, and business with a world-class advisory board.

Khaled Kteily


Khaled Kteily is a former healthcare consultant at Oliver Wyman in Toronto and studied healthcare and public policy at Harvard University, where he received a full scholarship and graduated with distinction. Khaled has previously worked at the World Economic Forum in Geneva, where he had his work on the future of entrepreneurship published at Davos.

Khaled is a member of the American Society for Reproductive Medicine and the Canadian Fertility & Andrology Society.

Sarah Steinle

Strategic Partnerships

Sarah Steinle previously worked at Extend Fertility, a New York-based clinic that specializes in egg freezing. Sarah operated as a consultant for women who were considering fertility preservation and oversaw the intricacies of the patient experience. Before her work in healthcare, Sarah spent four years in sales at a FinTech startup, also in New York.

Sarah graduated from Middlebury College with a degree in Psychology and has earned her health coaching certification from the Institute for Integrative Nutrition.

Daniel Madero


Daniel Madero has extensive experience in the fertility space, including five years running Colombia’s largest fertility clinic which was sold to Spain’s largest private equity-backed reproductive health group.

Daniel previously founded his own company focused on personalized medicine, high-quality genetic testing and evidence-based treatment. He has spent several years since working with companies based out of Harvard & MIT.

Dr. Mariel Arvizu


Mariel Arvizu, M.D., Ph.D. is a Research Fellow at Harvard T.H. Chan School of Public Health in Boston, where she previously graduated with a degree in Epidemiology.

Dr. Arvizu’s research has focused on lifestyle determinants of semen quality parameters in men attending fertility clinic at the Massachusetts General Hospital, that have been featured in many biomedical journals, news outlets, and presented at the American Society for Reproductive Medicine annual meetings. She has received a number of awards including the John Garrow Nutrition Award for young professionals, the American Heart Association Fellowship Travel Award, and a full scholarship for her doctoral studies at Harvard University.

Meryl Haddad


Meryl Haddad holds a Master’s in Public Policy from the National University of Singapore and a BA from the American University of Beirut. She has extensive experience working as a policy researcher and consultant in the UAE and Lebanon and has previously worked as a journalist and copywriter for various publications in the Middle East.

In her current role at Legacy, Meryl provides strategic content across social platforms

Dave Lastovskiy


Dave Lastovskiy is a growth leader who is passionate about blending the art and science of brand, acquisition, and analytics. For the better part of the last decade he has worked at high-growth startups ranging from transportation to fintech. Previously, he’s scaled company revenue through $10M ARR, led major rebrands, and grown marketing teams from 1 to 10.

Lastovskiy holds a Bachelors of Commerce in Marketing from the John Molson School of Business at Concordia University.

John Crowley

Military Affairs
John Crowley is pursuing a joint MBA/MPP at Harvard Business School and Harvard Kennedy School where he is a Harvard Presidential Scholar, LunaCap Foundation Scholar, and Rubenstein Fellow at the Center for Public Leadership.
John’s work with Legacy includes business development, growth strategy, and marketing for active military and veteran clients. He holds of Bachelor of Science in Systems Engineering from the United States Military Academy and is a US Army veteran of the Global War on Terror.

George Holt

Growth Associate

George is a cum laude graduate of Boston University in Economics. George’s work with Legacy includes digital marketing and advertising, market research analysis, and performance analytics. 

Vrushab Gowda

Regulatory Affairs

Vrushab Gowda is pursuing a joint JD/MD program at Harvard Law School and UNC School of Medicine. He merges in-depth knowledge of the regulatory space with an international perspective on health policy, honed at the Parliament of the United Kingdom, a Massachusetts General Hospital-affiliated think tank and independent field studies in the Netherlands.

Vrushab’s work with Legacy includes securing all necessary regulatory approvals and ensuring compliance with state, federal, and international standards. 


Our team brings international experience in male fertility, healthcare policy, and business with a world-class advisory board.

Boston, Massachusetts San Francisco, California
Dubai, United Arab Emirates Geneva, Switzerland

Careers, Partnerships & Press