Diane Plese Biography: Early Life, Career, Marriage, Children, and Net Worth

Diane Plese is best known as the former wife of Canadian businessman and television personality Robert Herjavec, who gained international recognition through the reality business show Shark Tank. Although her former husband has spent years in the public eye, Diane Plese has largely kept a private life, drawing public interest because of her marriage, family background, career, and eventual divorce.

Unlike many people connected to celebrities, Plese has not built a prominent public identity through television appearances, social media, or entertainment projects. Instead, her story is tied to her work as an optometrist, her family life, and her relationship with one of Canada’s best-known entrepreneurs.

Interest in Diane Plese often centers on her early life, professional achievements, children, divorce settlement, and financial standing. However, many details about her personal background remain private, and reliable public accounts do not consistently provide information about her age, birthplace, parents, or childhood.

This biography examines Diane Plese’s known background, career, marriage, family, personal life, and life away from the spotlight, distinguishing established information from details not publicly confirmed.

Who Is Diane Plese?

Diane Plese is a Canadian optometrist who gained widespread recognition through her marriage to Robert Herjavec. Her professional background in eye care sets her apart from people whose public recognition comes primarily from entertainment or celebrity culture.

Her former husband built a successful career in technology and cybersecurity before becoming a familiar television personality through business investment programs. Their relationship brought Plese into the public eye, especially after their separation and divorce drew media attention.

Despite this interest, Plese has generally kept a low profile. She has not regularly participated in celebrity interviews or used public appearances to establish a personal brand.

Diane Plese at a Glance

• Full name: Diane Plese
• Known for: Being the former wife of Robert Herjavec
• Profession: Optometrist
• Nationality: Commonly identified as Canadian
• Former spouse: Robert Herjavec
• Children: Three
• Public profile: Private individual with limited independently documented personal details
• Known public association: Herjavec’s business and television career

Her professional work and family life provide the clearest picture of her background. Widely available public information has not reliably established other biographical details, including her exact birth date and her parents’ identities.

Early Life, Birthplace, and Family Background

Diane Plese’s early life remains among the least documented parts of her biography. Unlike public figures who have shared extensive personal histories in interviews, she has kept her upbringing private.

Age and Birth Date

Plese’s exact birth date has not been consistently confirmed in reliable public accounts. As a result, her precise age should not be treated as fact without a dependable source.

Various online biography pages may offer estimates, but repeated claims do not necessarily make them accurate. A responsible account of her life must distinguish between confirmed information and uncertain details.

Birthplace and Childhood

Plese is associated with Canada through her personal and professional life, but public records offer few details about her birthplace, childhood neighborhood, or early experiences.

Verified information about her childhood interests, school activities, or the circumstances that influenced her eventual career choice is also limited. These gaps should not be filled with assumptions based on her former husband’s background or success.

Her decision to maintain privacy means that much of her early personal history remains outside the public record.

Parents and Siblings

Widely available public reporting has not reliably established the names, occupations, or backgrounds of Diane Plese’s parents. Similarly, verified information is insufficient to provide a detailed account of her siblings or their lives.

Although family background is a common subject in celebrity biographies, the absence of confirmed information makes it inappropriate to invent family connections or personal anecdotes.

What we can say with confidence is that Plese has kept these aspects of her life largely out of the public eye.

Education and Professional Training

Diane Plese is known for her professional background as an optometrist. This career requires specialized education and clinical training, making it a significant part of her identity beyond her former marriage.

Optometrists examine patients’ eyes, assess vision, identify certain eye conditions, and help determine appropriate vision correction. Their work may involve prescribing glasses or contact lenses and recognizing symptoms that require referral to another healthcare professional.

Plese’s profession indicates that her career developed outside the entertainment industry. However, public sources do not consistently document which university she attended, when she graduated, or where she completed her professional training.

Therefore, it would be misleading to attribute a specific degree, graduation date, or academic distinction to her without reliable confirmation.

Her professional identity remains an important part of her biography because it demonstrates that her life and career cannot be understood solely through her association with a television personality.

Diane Plese’s Career as an Optometrist

Working Before Public Recognition

Diane Plese’s optometry career began long before her former husband became a recognizable television personality. During the early years of their marriage, she worked full-time and operated her own optometry office.

Her work provided an independent income while Robert Herjavec pursued entrepreneurial opportunities in the technology industry. This arrangement became an important part of their family history, particularly in later legal proceedings concerning the economic consequences of their marriage.

Balancing Work and Family Responsibilities

After the couple’s first child was born in 1993, Plese reduced her working hours. She continued working part-time through subsequent maternity leaves before eventually leaving the workforce around 2003.

According to the Ontario Court of Appeal’s account of the case, Herjavec encouraged her to stop working so she could concentrate on managing the household and caring for their children. The arrangement allowed him to devote more time to developing his businesses.

Plese’s career transition illustrates an important aspect of her biography: her professional life changed as the family’s responsibilities and financial circumstances evolved. Her years away from paid employment later became relevant to the court’s assessment of spousal support.

Diane Plese and Robert Herjavec’s Marriage

How They Met

Diane Plese met Robert Herjavec in Toronto in the late 1980s, according to commonly reported accounts of their relationship. Herjavec has said he met Plese at an optometry practice for an eye exam.

Their relationship developed before Herjavec became widely known for his business success and television appearances. At the time, he was building his career in technology, while Plese worked in optometry.

Although online biographies often repeat the story of their first meeting, detailed information about their early courtship remains limited.

Wedding and Married Life

Plese and Herjavec married in 1990. Their marriage lasted approximately 24 years before they separated in 2014.

During those years, Herjavec developed a successful career as an entrepreneur. He became known for his work in cybersecurity and technology, eventually expanding his public profile through business television.

The couple built a family together while accumulating substantial assets. Their lifestyle eventually included valuable properties in Toronto, Florida, Muskoka, and Caledon, as described in the subsequent court proceedings.

Behind this financial success was a division of responsibilities. Herjavec concentrated on business, while Plese increasingly took responsibility for the household and children.

Their marriage eventually became the subject of significant legal proceedings, making its financial and personal history a matter of public record.

Diane Plese’s Children and Family Life

Diane Plese and Robert Herjavec have three children: Brendan, Skye, and Caprice Herjavec. Their children have largely developed their own lives outside the level of public attention associated with their father.

Brendan Herjavec

Brendan is the couple’s son. Public profiles link him to business and strategy, reflecting an interest in professional and entrepreneurial work.

Although his father has worked in television and investment, Brendan has pursued his own professional path. Treat details about his private life carefully, because not all information published online is independently confirmed.

Skye Herjavec

Skye is one of Plese’s daughters. Public reporting has linked her education to the University of Southern California and has described her professional experience in finance.

She has generally maintained a more private public profile than her father. Her educational and career interests show the children have developed identities beyond their parents’ relationship.

Caprice Herjavec

Caprice is Plese’s other daughter. She rowed in college and has worked in professional consulting.

Like her siblings, she has not made her personal life a major part of the entertainment news cycle. The family remains connected through their shared history, even though each child has pursued a different professional path.

Family Relationships After the Separation

Plese and Herjavec separated when their children were older, and the family has since navigated the practical and emotional consequences of the marriage ending.

Herjavec later married Australian professional dancer Kym Johnson, whom he met while competing on Dancing with the Stars. The couple welcomed twins, Hudson and Haven, in 2018.

As a result, Plese’s children have younger half-siblings through their father’s later marriage. Beyond these publicly documented family relationships, details of Plese’s private interactions with relatives are not widely available.

Separation and Divorce: A Major Turning Point

The Couple’s Separation in 2014

Plese and Herjavec separated in 2014, ending a marriage that had lasted nearly a quarter of a century. Their separation attracted media attention because Herjavec was becoming increasingly recognizable through his business television career.

Various media accounts have discussed the reasons behind the breakdown of the marriage, but Plese has not provided an extensive public explanation. It is therefore more accurate to focus on the documented legal history than to present unverified accounts of private disagreements as fact.

The Financial Proceedings

The divorce became notable because of the couple’s substantial assets and the legal questions surrounding property division and spousal support.

In a 2018 decision, the Ontario Superior Court of Justice ordered Herjavec to make an equalization payment of approximately C$2.69 million and to pay Plese C$125,000 per month in spousal support for an indefinite period. The court also ordered child support for their youngest daughter during specified months while she attended university.

The proceedings considered more than each spouse’s financial resources. They also examined how their respective roles during the marriage affected their financial positions.

Plese had worked as an optometrist early in the relationship but eventually left paid employment to focus on their children and household. The court considered the resulting reduction in her earning capacity and the financial advantages Herjavec gained while building his businesses.

The 2020 Appeal Decision

Herjavec challenged the spousal-support order, but the Ontario Court of Appeal dismissed his appeal in December 2020.

The court upheld the trial judge’s assessment of Plese’s entitlement to support, emphasizing the length of the marriage, the economic consequences of their respective roles, and the circumstances of their separation.

This decision is an important part of Diane Plese’s public biography because it documents her contribution to the family partnership.

The ruling should not be interpreted as a judgment about every personal aspect of their relationship. Rather, it addressed specific questions of Canadian family law, including financial support and the economic consequences of the marriage ending.

Diane Plese’s Net Worth and Financial Position

Diane Plese’s net worth is frequently discussed online, but no reliable public financial disclosures have independently established her current wealth.

Some celebrity biography websites estimate her net worth at US$25 million, US$100 million, or other amounts. These figures vary considerably and should not be treated as confirmed financial facts.

What Is Known About Her Finances?

Court records provide more reliable information about the financial arrangements associated with her divorce.

The legal proceedings included an equalization payment of approximately C$2.69 million and an order for monthly spousal support of C$125,000. The court’s assessment also considered the parties’ assets, earning capacities, and the financial consequences of their marriage.

These figures describe particular court-ordered financial obligations; they do not establish Plese’s current net worth. Her present assets, investment returns, living expenses, and other financial circumstances are not fully public.

Was Diane Plese Wealthy Before the Divorce?

Plese had an established professional career and earned income as an optometrist during the earlier years of her marriage. The couple subsequently accumulated substantial family assets.

At the end of the marriage, her financial position reflected a combination of property interests, family wealth, and the legal arrangements made after their separation. Attributing all of her financial standing to one payment, or claiming a precise net worth, would be inaccurate without further evidence.

Personal Life, Public Appearances, and Social Media

A Private Lifestyle

Diane Plese has maintained a relatively low public profile. Unlike her former husband, she has not become a regular presence on television or developed a widely recognized public career in entertainment.

Her limited public visibility makes it difficult to establish details about her hobbies, friendships, daily routine, or current professional activities.

Privacy does not necessarily indicate an absence of professional or personal interests. It simply means that reliable information about those interests is not readily available.

Public Appearances

Plese is not widely known for attending celebrity events, business conferences, or entertainment-industry functions.

Her name tends to appear in public discussions connected with Robert Herjavec, their children, or the legal proceedings following their separation.

Reliable information is insufficient to provide a comprehensive list of her public appearances or to suggest she maintains an active public-facing career.

Social Media Presence

Reliable public reporting has not firmly established a verified, widely recognized social media account belonging to Diane Plese.

Various profiles or accounts using similar names should not automatically be assumed to belong to her. Without clear verification, it is best not to identify any particular account as official.

Her limited online visibility is consistent with the private public image she has maintained over the years.

Where Is Diane Plese Today?

Diane Plese’s current daily life remains largely private. Public information does not provide a comprehensive, independently verified account of where she lives, her professional activities, relationships, or daily routine.

She is primarily discussed today in connection with her former marriage, her children, her optometry career, and the financial proceedings that followed her separation from Herjavec.

It is also unclear whether she has returned to professional optometry or pursued another career since leaving the workforce. Claims about her current employment or relationship status should therefore be approached cautiously.

What remains clear is that her public story extends beyond her connection to a successful entrepreneur. She maintained a professional career, contributed to the family’s financial and domestic life, raised three children, and became part of a significant family-law case.

Her preference for privacy means that many questions about her present life remain unanswered. Respecting that distinction is essential to presenting an accurate biography rather than filling gaps with speculation.

Frequently Asked Questions About Diane Plese

1. Who is Diane Plese?

Diane Plese is a Canadian optometrist best known as the former wife of entrepreneur and Shark Tank personality Robert Herjavec. She worked in optometry before leaving the workforce to focus on family responsibilities.

2. How old is Diane Plese?

Reliable public sources have not firmly confirmed her exact birth date. Some online biographies list a birth year of 1959, but treat it as unverified.

3. What does Diane Plese do for a living?

Plese worked as an optometrist and operated her own office during the early years of her marriage. Court records indicate that she eventually left the workforce to care for the household and children. Her current occupation has not been reliably confirmed.

4. Who was Diane Plese married to?

She was married to Canadian entrepreneur Robert Herjavec. They married in 1990, separated in 2014, and subsequently became involved in divorce and financial proceedings.

5. How many children does Diane Plese have?

Diane Plese and Robert Herjavec have three children: Brendan, Skye, and Caprice Herjavec.

6. What is Diane Plese’s net worth?

Her exact current net worth is unknown. Online estimates vary widely, while court records document substantial property and support arrangements arising from her divorce. Those legal figures do not establish her present-day wealth.

7. Is Diane Plese active on social media?

Reliable reporting does not document a widely established, verified public social media presence for her. She generally maintains a private lifestyle and does not regularly seek public attention.

Conclusion

Diane Plese’s biography is a story of professional work, family responsibilities, and life connected to a prominent entrepreneur. Although public interest often focuses on her marriage to Robert Herjavec and the financial proceedings that followed their separation, her own career as an optometrist is an important part of her identity.

Her experience also illustrates how decisions made within a long marriage can affect each partner’s financial independence and future opportunities. The Ontario Court of Appeal’s 2020 decision provides a documented account of those issues in her case.

Many details about Plese’s childhood, parents, exact age, current activities, and personal finances remain unconfirmed. Rather than treating online estimates as facts, the most responsible account focuses on her documented professional background, family, marriage, and legal history.

Ultimately, Diane Plese remains a relatively private individual whose public significance comes from both her own professional life and her connection to one of Canada’s best-known business personalities.