Who Is Diane Plese? The Private Life of Robert Herjavec’s First Wife

March 10, 2026
Written By Mike Dee

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Diane Plese is a Canadian optometrist who became widely known because of her long marriage to entrepreneur and Shark Tank investor Robert Herjavec. Although she spent many years connected to a public figure, she built her own professional career in eye care and chose to live a quiet life away from media attention. Her story includes a successful medical career, a 25-year marriage, a highly publicized divorce, and a private life focused on family.

Quick Facts

Detail Information
Full Name Diane Plese
Birth Year Around 1959
Birthplace Toronto, Ontario, Canada
Nationality Canadian
Profession Optometrist
Former Spouse Robert Herjavec
Marriage Year 1990
Divorce Finalized 2016
Children Brendan, Skye, Caprice

Early Life and Background

She was born around 1959 in Toronto, Ontario, Canada, and grew up in a Croatian-Canadian household. Her parents were immigrants who valued discipline, education, and family stability.

Growing up in Toronto’s Parkdale area, she experienced a fairly ordinary childhood. Friends and acquaintances from that period often described her as calm, academically focused, and reserved. Instead of seeking attention, she preferred studies and structured routines.

Those early influences helped shape the direction of her life. Her interest in science and healthcare gradually led her toward a career in vision care, a field where patience, precision, and strong communication skills are important.

Education and Career in Optometry

After completing her early schooling in Toronto, she pursued higher education in optometry, a healthcare field focused on eye examinations, vision correction, and the diagnosis of common eye conditions.

Once qualified, she began working as an optometrist in the Toronto area. Over the years she developed a stable professional reputation among patients and colleagues. Her work centered on routine eye care, vision testing, and helping patients maintain long-term eye health.

Unlike many people connected to celebrities, she maintained an independent professional identity. Even during her marriage to a growing business figure, she continued focusing on her medical work rather than public exposure.

How She Met Robert Herjavec

Their story began in the late 1980s when Robert Herjavec visited her clinic for an eye appointment. At that time he was still building his early career in technology and entrepreneurship.

The meeting gradually turned into a relationship. Both shared a similar cultural background, as their families had Croatian roots. This common heritage helped them connect through similar values around family and work ethic.

Marriage and Family Life

The couple married in 1990, beginning a partnership that lasted more than two decades. During the early years of their marriage, Robert was still working to establish himself in business.

At the same time, she continued her work in optometry and helped maintain a stable household. Over the years they welcomed three children:

  • Brendan Herjavec

  • Skye Herjavec

  • Caprice Herjavec

Family life was largely private. While Robert’s career expanded and he later became known through television programs such as Dragons’ Den and Shark Tank, she stayed mostly outside the spotlight.

A Changing Lifestyle

As Robert’s business success increased, their lifestyle also changed. His technology company BRAK Systems achieved significant growth before being sold in 2000, which helped establish his reputation as a successful entrepreneur.

Television appearances later brought additional public attention. With media coverage growing, the family experienced a shift from private life to occasional public visibility. Even during that time, she rarely appeared in interviews or public events.

Her preference remained a quieter environment focused on family rather than publicity.

Separation and Divorce

After nearly 25 years of marriage, the couple separated in 2014. The news became widely discussed because of Robert’s visibility on television.

Divorce proceedings followed in 2015 and were finalized in 2016. Reports at the time suggested the separation resulted from personal differences and increasing distance in their relationship.

Life After Divorce

Following the divorce, she chose to continue living privately in Canada. Unlike many people connected to celebrity relationships, she did not pursue television appearances, social media influence, or public interviews.

Instead, her focus remained on family and personal well-being. Some reports suggest she reduced or stepped away from full-time professional practice after the divorce, although details about her current work remain limited.

Her lifestyle today reflects the same privacy she maintained throughout much of her life.

Public Perception

Public curiosity about her story mainly comes from her connection to Robert Herjavec and the long marriage they shared before his television fame.

Despite occasional media attention, she has remained known as someone who values personal boundaries and discretion. In an era where many public figures share every detail online, her decision to stay private has become one of the defining aspects of her public image.

Frequently Asked Questions

Who is Diane Plese?

She is a Canadian optometrist best known as the former wife of entrepreneur and television investor Robert Herjavec.

When was she born?

She was born around 1959 in Toronto, Canada.

What is her profession?

Her professional background is in optometry, the healthcare field focused on eye examinations and vision care.

How did she meet Robert Herjavec?

They met when he visited her clinic for an eye appointment in the late 1980s.

When did they get married?

The couple married in 1990.

How long were they married?

Their marriage lasted about 25 years before their separation.

When was the divorce finalized?

The divorce was finalized in 2016.

How many children do they have?

They have three children: Brendan, Skye, and Caprice.

Where does she live now?

She is believed to live privately in Canada and rarely appears in public.

Conclusion

The life of Diane Plese shows a story that is less about celebrity and more about privacy, family, and professional dedication. Although her marriage connected her to a well-known entrepreneur, her own path included years of work in healthcare and raising a family away from public attention.

Today, her story remains interesting to many people because it highlights how someone connected to fame can still choose a quiet and independent life.

Read More: Who Is Taelyn Dobson? A Clear Look at Her Life and Her Connection to the Carter Family

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