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Joanne Sharkey (February 1, 1942 – June 19, 2021) was an American businesswoman and author, renowned for her management of Commercial Marine Services and her stewardship of bodybuilding legend Mike Mentzer’s business following his passing. Her life, however, was marred by a tragic event in 1998, which resurfaced decades later, casting a shadow over her legacy.​

Personal Life and Relationships

Joanne’s personal life was intertwined with her two marriages. Her first marriage to Tommy Poljak resulted in the birth of their daughter, Tamala. After their separation, Joanne married Tom Sharkey in 1977. Together, they built and managed Commercial Marine Services, achieving significant success. Joanne’s devotion to her family was evident in her care for her mother and both husbands during their times of need.​

Early Life and Family Background

Born in Duquesne, Pennsylvania, Joanne Napoli was the youngest of nine children in a close-knit Italian Catholic family. Her parents, Salvatore and Angeline, instilled in her the values of hard work and devotion. In 1960, Joanne relocated to Redondo Beach, California, with her high school sweetheart, Tommy Poljak. They married at St. Lawrence Martyr Catholic Church and welcomed their daughter, Tamala, in 1969. Following their separation, Joanne embraced single motherhood until her remarriage to Tom Sharkey in 1977.​

Current Relevance and Recent Updates

In June 2021, Joanne Sharkey passed away at Torrance Memorial Hospital in Rancho Palos Verdes, California. Her death marked the end of an era for Commercial Marine Services and the continuation of Mike Mentzer’s bodybuilding legacy. Her passing also brought renewed attention to a tragic chapter from her past

Career Beginnings and Key Milestones

Joanne and Tom Sharkey co-founded Commercial Marine Services in Terminal Island, California. Under Joanne’s management, the shipyard flourished, earning respect within the community for its operational excellence. After Tom’s passing, Joanne continued to oversee the business, demonstrating resilience and dedication. Her business acumen extended beyond the shipyard; she played a pivotal role in managing and promoting Mike Mentzer’s bodybuilding philosophy. In 2005, she co-authored “The Wisdom of Mike Mentzer” with John R. Little, offering insights into Mentzer’s training methods and personal philosophies.​

Charitable Work and Legacy

Beyond her professional achievements, Joanne was known for her compassion and generosity. She provided care and support to family members during challenging times, embodying the values of empathy and devotion. Her legacy is also marked by her efforts to honor and continue Mike Mentzer’s bodybuilding philosophy, ensuring that his contributions to the fitness world are remembered.​

  • Full Name: Joanne Sharkey
  • Date of Birth: February 1, 1942
  • Place of Birth: Duquesne, Pennsylvania, USA
  • Nationality: American
  • Early Life: Youngest of nine children in a loving Italian Catholicfamily
  • Family Background: Daughter of Salvatore and Angeline Napoli
  • Education: Details not publicly disclosed
  • Career Beginnings: Co-founded Commercial Marine Services with second husband, Tom Sharkey
  • Notable Works: Co-authored “The Wisdom of Mike Mentzer”
  • Relationship Status: Married twice; first to Tommy Poljak, then to Tom Sharkey
  • Spouse: Tommy Poljak (married 1960–1977); Tom Sharkey (married 1977–2021)
  • Children: Daughter, Tamala Poljak
  • Net Worth: Estimated at $5 million at time of death; primarily from business ventures and literary endeavors
  • MajorAchievements: Successfully managed Commercial Marine Services; preserved and promoted Mike Mentzer’s bodybuildinglegacy

Notable Works and Achievements

“The Wisdom of Mike Mentzer” stands as Joanne’s most significant literary contribution. The book delves into Mentzer’s “Heavy Duty” training system, emphasizing brief, high-intensity workouts. The publication has been praised for its depth and clarity, earning a 4.28 out of 5 rating based on numerous reviews. ​

Net Worth and Lifestyle

At the time of her death, Joanne’s net worth was estimated at $5 million. This wealth was primarily derived from her business endeavors, particularly the shipyard, and her involvement in the bodybuilding industry. Her lifestyle reflected her professional success, marked by a commitment to family and community.

Beyond literature, Joanne’s stewardship of Commercial Marine Services exemplifies her leadership and business prowess. Her ability to navigate the challenges of running a shipyard, especially as a woman in a male-dominated industry, highlights her resilience and strategic vision.​

Future Plans and Impact on Culture

While Joanne’s life was cut short, her impact continues through the enduring success of Commercial Marine Services and the lasting influence of “The Wisdom of Mike Mentzer.” Her story serves as a testament to resilience, business acumen, and the importance of preserving cultural and professional legacies

Disclaimer: Joanne Sharkey: Age, wealth data updated April 2026.