• Opionato Mission

    Democratizing fertility understanding for everyone.


    We believe that knowledge is power. Through the right information at the right time the right informed fertility decisions are made and the right informed fertility actions are taken.


    We work under the premise that every path to pregnancy is to be short, smooth, and as desired.

  • Maja Zecevic, PhD, MPH is the founder and CEO of Opionato.

    Founder & CEO

    Maja Zecevic, PhD, MPH

    Maja created Opionato with herself in mind: that someone she wished she had during her fertility journey. Read Maja's Fertility Journey here.

    Maja worked for more than a decade as a cancer scientist. Subsequently she was the sole North American Editor in New York City for one of the world's most prestigious evidence-based medical journals-The Lancet. Once in California, she became a health advisor to leading Silicon Valley based academic institutions, philanthropic organizations, and private health entities.

    She obtained her PhD degree in molecular cancer biology from the University of Virginia and her Masters in Public Health from Johns Hopkins University. She was a Cancer Prevention Fellow at the National Cancer Institute in Washington, DC and at MD Anderson Cancer Center in Houston, Texas.

    Maja currently serves as a reviewer for the prestigious peer-reviewed journal Fertility & Sterility published by The American Society of Reproductive Medicine.

    Maja truly believes that informed fertility early-on decision making is a human right and should be accessible and affordable to everyone at anytime.

    Sara Anderson is Opionato's marketing expert.


    Sara Anderson

    Sara is a data-driven marketing leader for 15 years. Sara's approach to marketing has always been 60% technical and 40% creative with a great understanding of using technology to develop strong, meaningful engagement with customers.

    Her work experience includes Cleo Health, Redbooth, AeroFS, and Skybox.

    Outside of the office, Sara enjoys backpacking and visiting national parks.

    Sony Atmadjaja is Opionato's design expert.


    Sony Atmadjaja

    Sony is a digital designer and art director. She has been creating & designing interactive experiences for brands for more than 10 years. Sony's design expertise involve UI/UX, Product, Visual, Marketing, Branding & Logo, Marketing Strategy, and Social Engagement.

    Her work experience includes Doximity, Postmates, and Pivotal Labs.

    Alongside design, she likes to spend time taking photos, rock climbing, traveling, and hosting exceptional dinner parties.

    David Bill is Opionato's advisor.


    David Bill

    David is a Silicon Valley serial entrepreneur with more than 25 years of technology leadership experience across a diverse range of startups and technology companies.

    He has been involved with Spinner.com ($320M million AOL acquisition), ExactTarget (IPO, $2.5B Salesforce acquisition), and Virta Health ($45M raised, reversing diabetes).

    David enjoys machine learning, scaling, and being part of socially impactful endeavors. He believes fertility outcome can be improved with the help from technology aiding the right fertility information no matter the geographical location.

    Oriane Chausiaux, PhD is Opionato's advisor.

    Digital Health

    Oriane Chausiaux, PhD

    Oriane has 15 years of experience in the fertility space.

    She founded the first digital health fertility company: DuoFertility. Oriane also has a PhD degree from the University of Cambridge that relates to the molecular mechanisms of male infertility.

    Although Oriane was told that she would not be able to conceive naturally, she managed to conceive naturally and become a mom to two girls and one boy. She believes strongly in the value of evidence-based advice to individuals and couples as early as possible.