Diane Plese Age: The Untold Story Of Robert Herjavec's Ex-Wife

You’ve seen the headlines about shark tank mogul Robert Herjavec, but have you ever wondered about the woman who shared more than two decades of his life before the fame? What is Diane Plese’s age, and what is her story beyond the tabloids? Born in 1959, Diane Plese is a Canadian optometrist whose life took a public turn through marriage and a high-profile divorce. This comprehensive biography explores her age, career, family, net worth, and life today, painting a portrait of a professional who built a quiet legacy in healthcare.

Biography and Personal Details

Diane Plese is a Canadian national of Croatian ethnicity, born and raised in the Parkdale neighborhood of Toronto, Ontario. She is best known as the former spouse of entrepreneur and television personality Robert Herjavec, star of CBC’s Dragon’s Den and ABC’s Shark Tank. While her marriage introduced her to the public eye, her identity is firmly rooted in a long-standing career in optometry and her role as a mother.

Her life narrative is not one of chasing celebrity but of professional dedication and family focus. The media spotlight arrived indirectly, yet she handled the ensuing scrutiny with notable composure. Understanding her journey requires looking past the sensational headlines to the facts of her personal and professional life.

Quick Facts: Diane Plese Bio Data

AttributeDetail
Full NameDiane Plese
Date of Birth1959
Age (as of 2025)65 or 66 years*
Place of BirthParkdale, Toronto, Canada
EthnicityCroatian
NationalityCanadian
ProfessionOptometrist
Known ForFormer wife of Robert Herjavec; successful optometry career
MarriageRobert Herjavec (1990–2014)
ChildrenThree (Caprice, and two others)
Estimated Net Worth~$100 million (post-divorce)

*Note: Sources vary slightly, with some stating she was 64 in 2023 (born 1959) and others calculating her age as 65 in 2025. The consistent anchor is her birth year: 1959.

Early Life and Roots in Toronto

Diane Plese’s story begins in Parkdale, Toronto, Canada, a vibrant and historic neighborhood. Born in 1959, her upbringing in this part of Toronto grounded her in a community-focused environment. Her Croatian heritage is a significant part of her personal identity, reflecting the multicultural fabric of Canada.

Little is publicly shared about her childhood or siblings, as she has consistently maintained a boundary between her private life and the public sphere. This desire for normalcy would later become a defining theme, especially during her marriage to a man who would become a television icon. Her early life was likely shaped by the values of hard work and privacy, principles she carried into her adult years and professional practice.

Building a Career in Optometry

Long before meeting Robert Herjavec, Diane Plese was establishing herself in the healthcare field. She pursued optometry, a demanding profession requiring a Doctor of Optometry (O.D.) degree, typically involving eight years of post-secondary education. In Canada, optometrists are primary eye care providers, diagnosing and treating visual conditions, prescribing medications, and fitting eyewear.

Diane Plese’s career in optometry is the cornerstone of her independence and financial success. While specific details about her practice are private, her longevity in the field speaks to her expertise and dedication. The average annual salary for an optometrist in Canada is approximately $82,239, according to national employment statistics. However, this figure represents a broad average. A successful private practice owner in a major city like Toronto, with decades of experience, can earn significantly more.

Her professional path demonstrates ambition on her own terms. She wasn’t entering the field for fame but to build a stable, respected career. This foundation would prove crucial, providing her with financial autonomy long before her marriage ended.

Marriage to Robert Herjavec: A 25-Year Union

Diane Plese and Robert Herjavec’s paths crossed in the late 1980s. They married in 1990, beginning a partnership that would last for approximately 25 years. During this time, Herjavec was building his business empire, founding and selling technology companies. His eventual rise to television fame on Dragon’s Den (CBC) and Shark Tank (ABC) transformed him from a successful entrepreneur into a household name.

For Diane, this period was about nurturing a family. She and Robert had three children together. Their youngest, a daughter named Caprice, was born in 1998. The family largely lived away from the public glare during the early years of Herjavec’s television career, with Diane deliberately shielding their children from the media spotlight.

Their marriage, while long-lasting, ultimately ended in divorce in 2014. The dissolution was not sudden but the result of a gradual separation, with the couple having been apart for some time before the legal filing. Throughout the process, Diane’s primary focus remained the well-being of their children and the equitable resolution of their shared assets.

The High-Profile Divorce and Settlement

The divorce of Diane Plese and Robert Herjavec became a major media story, primarily due to the significant financial stakes involved. The couple’s combined net worth was estimated to be around $200 million, leading to a complex and closely watched legal battle over the division of assets.

The most commonly cited figure is that Diane Plese received a $25 million divorce settlement. However, reports also frequently reference her overall net worth being estimated at $100 million as of 2025. This discrepancy is important to understand. The $25 million was likely a specific component of the settlement—perhaps a cash payment or specific asset transfer. Her total net worth of ~$100 million almost certainly includes:

  1. The direct settlement from the divorce.
  2. The value of her own successful optometry practice and associated assets.
  3. Other investments and properties acquired during the marriage or with her own earnings.

The legal fight was described as contentious, with both parties fighting for their share of the marital fortune. Ultimately, the settlement reflected not just the value of Herjavec’s business ventures but also recognized Diane’s own financial contributions and the standard of living established during their 25-year marriage. This financial outcome secured her long-term stability and affirmed the value of her own career.

Children: Protecting Privacy Amidst Publicity

Diane Plese and Robert Herjavec share three children. Their commitment to keeping the children’s lives private was a constant theme throughout the marriage and divorce. Unlike many celebrity ex-spouses, Diane has fiercely guarded her children’s identities from the press.

One notable exception involves their youngest, Caprice Herjavec. In a heartwarming story from her youth, Caprice earned the title of “Mayor for a Day” in Toronto at the age of 14. This was part of a city program designed to engage young people in civic leadership. It highlighted a normal, celebrated childhood moment that stood in stark contrast to the family’s later media turmoil.

Caprice also developed a passion for rowing, beginning the sport in her senior year at Havergal College, a prestigious private girls’ school in Toronto. This detail is significant—it shows an interest pursued away from the business world, in a disciplined, team-oriented sport. It paints a picture of a child encouraged to find her own path, a testament to Diane’s focus on providing a grounded upbringing.

The other two children have been kept entirely out of the public eye, a decision that reflects Diane’s enduring priority for their normalcy and privacy.

Diane Plese’s Net Worth: A Career and a Settlement

The question of Diane Plese’s net worth is intrinsically linked to two factors: her own profession and her divorce. As established, she is a practicing optometrist with a likely long-standing and profitable private practice in the Toronto area.

Let’s break down the numbers:

  • Professional Earnings: The national average for optometrists is ~$82,239 CAD. A seasoned professional with her own clinic in a major market can have a practice generating revenue in the high six figures or more annually, leading to a substantial personal net worth over decades.
  • Divorce Settlement: The reported $25 million settlement was a transformative, one-time influx of assets.
  • Total Estimated Net Worth: Combining her practice’s value, investments, and the settlement leads to the widely cited ~$100 million figure for 2025.

It is crucial to note that this wealth was not a gift but a legal entitlement from a long-term marriage where both parties contributed to the family’s affluence. Her net worth is a testament to a dual strategy: building a skilled career and securing her rightful share in a marital partnership.

Life Today: Beyond the Spotlight

So, what is Diane Plese’s life today? The conclusion of her divorce did not launch her into a new career in entertainment or a life of lavish spending documented on social media. Instead, she appears to have chosen a path of quiet continuity.

She is believed to still practice optometry in the Toronto area, maintaining the profession that defined her adult life for decades. This provides not just income but purpose and routine. She is also deeply involved with her three children, having prioritized their stability throughout the divorce process.

Unlike her ex-husband, who remains a fixture on television and in business media, Diane Plese has successfully retreated from the public eye. There are no interviews, no social media presence, and no public commentary on her past marriage. This is a conscious choice, aligning with the private life she cultivated long before fame knocked on her door. Her story post-divorce is one of composure, focusing on family and her career without seeking the spotlight that found her unwillingly years ago.

Conclusion: A Portrait of Composure, Not Celebrity

Diane Plese’s biography is not a tale of celebrity ambition or media spectacle. It is a portrait of a woman who built a career in healthcare, nurtured a family for more than two decades, and faced profound life changes with composure. Her marriage to Robert Herjavec introduced her name to the public, but her identity was forged long before and has persisted long after.

She represents a different kind of strength: the strength of the professional who finds fulfillment in service, the mother who shields her children from chaos, and the individual who, when thrust into a contentious public drama, secures her future and then steps gracefully back into a private life. While Robert Herjavec’s story continues on Shark Tank, Diane Plese’s chapter is one of quiet resilience, written in the examination rooms of her optometry practice and the calm of a Toronto home she worked hard to protect. Her legacy is that of a competent Croatian-Canadian optometrist and a mother who navigated the storm of a high-profile divorce with her dignity and privacy intact.


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Diane Plese Family: Husband, Kids, Parents, Siblings | FamilyWing

Diane Plese Family: Husband, Kids, Parents, Siblings | FamilyWing

Diane Plese Wiki, Age, Height, Weight, Net Worth, Relationship

Diane Plese Wiki, Age, Height, Weight, Net Worth, Relationship

Diane Plese Wiki, Age, Height, Weight, Net Worth, Relationship

Diane Plese Wiki, Age, Height, Weight, Net Worth, Relationship

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