Who is Bob Harper?
Bob Harper is a well-known American personal trainer and reality television personality, best recognized for his role on the hit TV show The Biggest Loser. Being an author, Bob has written several fitness and diet books, including The Skinny Rules and Jumpstart to Skinny.
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How old is Bob Harper?
Bob was born on August 18, 1965, in Nashville, Tennessee, making him 60 years old as of 2025. He always celebrates his birthday on August 18 every year, and his zodiac sign is Leo.
Personal Information Summary
Real Name | Robert Harper |
Gender Identity | Male; publicly came out as gay during Season 15 of The Biggest Loser |
Date of Birth | August 18, 1965 |
Age | 60 years old (as of 2025) |
Birth Place | Nashville, Tennessee |
Zodiac Sign | Leo |
Nationality | American |
Ethnicity | Not publicly disclosed |
Net Worth | Estimated to be around $4 million to $5 million, based on various celebrity finance sources |
Occupation | Personal Trainer Author Reality Television Personality |
Reality TV Appearance | The Biggest Loser (Trainer and later Host) The New Celebrity Apprentice (Advisor) The Traitors (Season 3 contestant) |
Authored Books | The Skinny Rules Jumpstart to Skinny Are You Ready! Super Carb Diet |
Website | mytrainerbob.com |

Early Life and Education
Bob Harper was born on August 18, 1965, in Nashville. Harper spent his early years with his father on a cattle farm in Nashville, Tennessee. His mother tragically passed away from a heart attack, a deeply impactful event that shaped Harper’s commitment to heart health and fitness. Harper attended Austin Peay State University in Clarksville, Tennessee, but did not complete his degree. Instead, he pursued professional certifications in fitness, and he is certified by the American Fitness Training of Athletics as well as the Aerobic and Fitness Association of America.
Parent’s name | Father: Information yet to be updated Mother: Information yet to be updated |
Siblings | Information yet to be updated |
Is Bob Harper Married?
Bob Harper is married to Anton Gutierrez. The couple got engaged on June 29, 2019, after being together for several years. Sources across the web suggest their relationship began way back in 2014. The couple has kept many details private, but they’ve occasionally shared glimpses of their life on social media. Previously, Bob was married to his first wife, Reza Farahan, and was also in a seven-year relationship with Justin Anderson, a hairstylist who appeared on shows including Very Cavallari and Honestly Cavallari. Bob does not have any biological or adopted children and has not publicly expressed plans to become a parent.
Relationship Status | Married |
Partner | Anton Gutierrez |
Children | Information yet to be updated |
Bob Harper “Gay”
Harper publicly came out as gay in November 2013, in the seventh episode of the fifteenth season of The Biggest Loser. He shared this during an emotional moment on the show to support a contestant who was struggling with coming out to his parents about his sexuality. He stated that he had definitely come out to his dad and mom when he was just 17 years old, but this was his first time mentioning his sexuality in public.
What does Bob Harper do to earn a living?
Bob earns his living from being a personal trainer and author. He often conducts yoga classes in Los Angeles.
Bob Harper Career Background
Harper began his career as a personal trainer, where he trained celebrity clients such as Jennifer Jason Leigh. Venturing into the media industry, Bob joined NBC’s reality show “The Biggest Loser” as a trainer in 2004. He has been a trainer on the NBC show for sixteen seasons, making him the longest-tenured worker, and has also appeared in several Biggest Loser DVD workouts. In 2015, he was promoted to host of the series, replacing Alison Sweeney. Harper has also been featured in the first three seasons of the Australian version of the show.
Harper read the eating regimen ebook “Skinny Bitch” with the aid of Rory Freedman, a former modeling company, and previous model Kim Barnouin, and as a result, changed his way of life to vegetarianism. Later, he switched to a vegan weight-reduction plan, but after 3 years, he recognized his body wanted more nutrients.
Heart Attack
Bob experienced a life-threatening heart attack on February 12, 2017, that dramatically reshaped his perspective on health and wellness. He collapsed during a routine workout at a New York City gym. He later revealed that he had gone into full cardiac arrest and was unconscious for two days. The heart attack was not caused by lifestyle factors like poor diet or lack of exercise, but rather by a genetic condition. Harper discovered he had elevated levels of lipoprotein(a), a hereditary form of cholesterol that increases the risk of plaque buildup in arteries and blood clots. After his recovery, Harper adopted a heart-conscious lifestyle, which included significant changes to his diet and exercise regimen. He also became an advocate for heart health, launching the ‘Survivors Have Heart’ initiative to support others who had experienced similar cardiac events. His survival story became a subject for a Brilinta commercial.
Other Ventures
Beyond television, Harper expanded his influence through writing and digital media. He authored several best-selling books, including “Are You Ready?: Take Charge, Lose Weight, Get in Shape, and Change Your Life Forever” (2008), “The Skinny Rules” (2012), and “Jumpstart to Skinny” (2013). In 2010, PETA named him the Sexiest Male Vegetarian of the Year, recognizing his advocacy for plant-based diets. His contributions to fitness literature and media have made him a respected authority in health and wellness circles.
He also launched a fitness website, mytrainerbob.com (where subscribers could discuss weight loss and receive coaching), and released workout DVDs like Inside Out Method, helping people access his training methods from home. Harper’s career also includes appearances on other shows such as The New Celebrity Apprentice and The Traitors, and has been a vocal advocate for heart health, especially after surviving a heart attack in 2017.
How Tall is Bob Harper?
Harper is approximately 5 feet 7 inches tall, equaling 1.7 meters.
Bob Harper Net Worth
As of 2025, Bob Harper’s net worth is estimated to be between $4 million and $5 million. His income is primarily associated with his reality TV appearance, fitness programs, real estate, public speaking, and Brand Deals
Social Media
Bob is gaining popularity on social media, where he shares content related to health, wellness, and his personal life. You can follow him on his social media handles.
@bobharper, with more than 347k followers | |
@Bob Harper, with more than 632k followers | |
@MyTrainerBob, with more than 1 million followers | |
YouTube | @mytrainerbob, with more than 29.6k subscribers |
TikTok | @bobharper1, with more than 12k followers |