In the world of healthcare and high-profile business, Diane Plese has navigated two very different spheres with grace and intention.
While her former husband Robert Herjavec became a household name on Shark Tank, Diane has remained steadfast in her commitment to patient care and personal privacy.
If you’ve wondered about the optometrist behind the headlines, you’re in the right place. Let’s explore the thoughtful story of a medical professional who built a meaningful career while honoring her family’s boundaries.
Who Is Diane Plese?

Diane Plese is a Canadian optometrist and the former wife of entrepreneur and Shark Tank star Robert Herjavec .
Born in 1959 in Toronto, Canada, she pursued a career in eye care, becoming a licensed medical professional dedicated to helping patients maintain healthy vision .
Unlike many ex-spouses of public figures, Diane has consistently chosen to keep her personal life private, focusing on her profession and family rather than media attention.
Quick Facts at a Glance
- Full Name: Diane Plese
- Profession: Licensed optometrist (eye care specialist)
- Birth: 1959, Toronto, Canada (exact date unverified)
- Marriage: Robert Herjavec, 1990; divorced circa 2014
- Children: Three children with Robert Herjavec (identities private)
Why Her Story Resonates
Diane’s journey reminds us that professional excellence and personal boundaries can coexist. In an era where reality TV fame often spills into every corner of life, she demonstrates that you can support a partner’s public career while still protecting your own peace.
Her story speaks to anyone balancing ambition, family, and the quiet courage it takes to stay true to your values.
Early Life and Education in Canada

To understand Diane Plese, it helps to know the foundation that shaped her world. Born in Toronto to Croatian immigrant parents, Diane grew up in a community that valued hard work, education, and service .
These early influences would guide her career choices and personal philosophy for decades to come.
Toronto Roots and Croatian Heritage
Toronto’s diverse cultural landscape provided Diane with a rich upbringing. Her family’s Croatian heritage likely instilled values of resilience, community, and dedication to craft. These traits would later serve her well in both her medical career and her role as a mother.
Becoming a Licensed Optometrist
Diane completed her college degree in the 1970s and earned her optometry credentials in the early 1980s . Optometry is a demanding medical field requiring rigorous academic training, clinical rotations, and licensing examinations.
By choosing this path, Diane committed to a career focused on helping others see clearly, both literally and figuratively.
In 1990, Diane Plese married Robert Herjavec, a Croatian-Canadian entrepreneur who would later become famous as a Shark Tank investor . Their union began during Robert’s early business ventures, long before his television fame.
Wedding in 1990: Building a Life Together
Diane and Robert’s marriage spanned approximately 24 years, a significant chapter in both their lives .
During this time, Robert built successful technology companies while Diane maintained her optometry practice and focused on raising their family. Their partnership reflected a balance of professional ambition and private devotion.
Family Life and Three Children
Diane and Robert welcomed three children together, though the family has chosen to keep their identities and lives out of the public eye .
This decision reflects a shared value for protecting their children’s privacy and allowing them to grow up without undue media scrutiny.
Life After Divorce: Privacy and Independence
Perhaps the most defining part of Diane Plese‘s story is her unwavering commitment to privacy after her divorce from Robert Herjavec.
In an age of social media oversharing, she has chosen to keep her life personal. This isn’t secrecy. It’s intentionality.
Choosing a Quiet Path Post-2014
After their separation around 2014, Diane stepped away from public view entirely. There are no verified reports of new relationships, career changes, or public appearances.
This consistent choice suggests a woman who values authenticity over attention, and substance over spectacle .
Continuing Her Optometry Career
While specific details about Diane’s current practice are not publicly documented, it is reasonable to assume she continued her work as an optometrist, a profession she trained for and dedicated decades to. Her focus appears to remain on patient care and professional excellence rather than public recognition.
Frequently Asked Questions
Diane Plese exemplifies how professional dedication and personal boundaries can create a fulfilling life. By focusing on her optometry career and protecting her family’s privacy, she offers a model for anyone navigating public-adjacent life with integrity.
Her story reminds us that sometimes the most powerful statements are made not through visibility, but through the quiet consistency of living your values every day.
Sources:
Trending Bioes — https://trendingbioes.com/2024/11/16/diane-plese/
Bio Magazine — https://biomagazine.co.uk/diane-plese/
Briefly — https://briefly.co.za/facts-lifehacks/celebrities-biographies/163373-diane-plese-robert-herjavecs-wife-a-optometrist/
Famous Birthdays — https://www.famousbirthdays.com/people/diane-plese.html
Wikipedia: Robert Herjavec — https://en.wikipedia.org/wiki/Robert_Herjavec
AmoMama — https://news.amomama.com/249174-robert-herjavec-was-distraught-divorcing.html









