Frankie JustGymit Biography: Age, Tribe, Wife, Net Worth, Real Name, Baby Mama, Height, Podcast
Biography
Frankie JustGymIt, born Francis Kiarie Mukui on January 22, 1990, is a renowned Kenyan fitness coach, influencer, and entrepreneur based in Nairobi.
As the founder of Just Gym It, a fitness and nutrition consultancy, he has established a strong online presence with over one million Instagram followers, sharing workout routines, nutrition tips, and lifestyle content.
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A Kikuyu by tribe, Frankie holds a Master’s in Business Management and an Advanced Diploma in Sports Nutrition. He began his fitness journey at age 11 in Israel, later transitioning from a rugby scholarship in North Wales to a celebrated career in personal training.
Frankie is a father of four, co-parenting with his ex-partners, Maureen Waititu and Corazon Kwamboka, and is known for his metrosexual style, which challenges traditional masculinity norms.
He has authored two e-books, Extra Smoothie and The Fit Formula, and runs a YouTube channel, JustGymIt, with over 62,000 subscribers. Recently, he opened a state-of-the-art gym on Valley Road, Nairobi, solidifying his influence in Kenya’s fitness and wellness scene.
| Kenyan fitness coach and influencer | |
| Frankie JustGymit | |
|---|---|
 | |
| Wiki Facts & About Data | |
| Real Name: | Francis Kiarie Mukui |
| Stage Name: | Frankie JustGymit |
| Born: | 22 January 1990 (age 35 years old) |
| Place of Birth: | Nairobi, Kenya |
| Nationality: | Kenyan |
| Education: | N/A |
| Height: | 182 cm |
| Parents: | Joseph Mukui, Esther Wanjiku Mukui |
| Siblings: | N/A |
| Spouse: | Not Married |
| Girlfriend • Partner: | Maureen Waititu (?-2019), Corazon Kwamboka (2019-2022), Natalie Tewa (2019) |
| Children: | Lexi Mukui, Kai Mukui, Tayari Mukui, Koko Mukui |
| Occupation: | Fitness Coach • Influencer |
| Net Worth: | $100,000-$300,000 (USD) |
Early Life & Education
Frankie JustGymIt, born Francis Kiarie Mukui on January 22, 1990, in Nairobi, Kenya, is a Kenyan fitness coach and influencer of Kikuyu ethnicity.
He was raised in a Christian household, adhering to Protestant beliefs, which influenced his disciplined approach to life. His parents, Joseph Mukui and Esther Wanjiku Mukui, instilled strong cultural and moral values in him from a young age. Information about his siblings is not widely shared.
His early life included a significant period in Israel, starting at the age of 11, where he began his fitness journey through sports and physical activities, sparking his passion for health and wellness.
After returning to Kenya, he pursued education that complemented his career, earning a Master’s in Business Management and an Advanced Diploma in Sports Nutrition. His time in North Wales, where he received a rugby scholarship, further solidified his athletic foundation, paving the way for his transition into personal training and entrepreneurship.
Career
Frankie JustGymIt, born Francis Kiarie Mukui, is a renowned Kenyan fitness coach, influencer, and entrepreneur based in Nairobi. He is the founder of Just Gym It, a fitness and nutrition consultancy that offers personalized training programs and dietary guidance.
His fitness journey began after he received a rugby scholarship in North Wales, where he developed his athletic skills before transitioning into a career in personal training. With a Master’s degree in Business Management and an Advanced Diploma in Sports Nutrition, Frankie combines scientific expertise with hands-on coaching to deliver exceptional results.
He gained widespread popularity through social media, especially Instagram, where he has over one million followers. His engaging content—ranging from workout routines to nutrition tips and lifestyle advice—has made him a household name in the Kenyan fitness scene. On YouTube, his channel JustGymIt has attracted over 62,000 subscribers with fitness tutorials, challenges, and motivational vlogs.
Beyond online influence, Frankie has authored two e-books, Extra Smoothie and The Fit Formula, giving fitness enthusiasts practical tools to achieve their health goals. In a major career milestone, he launched a state-of-the-art gym on Valley Road in Nairobi, solidifying his role as a key figure in Kenya’s fitness industry.
Social Media
- Instagram: Frankie (@frankie_justgymit)
- Facebook: Frankie Justgymit
- LinkedIn: Frankie Kiarie – Managing Director at JustGymIt LTD
- YouTube: JUSTGYMIT
Personal Life
Frankie JustGymIt, born Francis Kiarie Mukui on January 22, 1990, is currently 35 years old.
He has never been married but was previously engaged to Maureen Waititu, a relationship that garnered significant public attention through their joint YouTube channel, AlphaBeta, where they shared content related to their couplehood.
Their engagement ended in 2019 due to irreconcilable differences, with both parties describing the relationship as toxic. Frankie is a father of four children: two sons, Lexi Mukui and Kai Mukui, with Maureen Waititu, and two children, Tayari Mukui and Koko Mukui, with his former partner, Corazon Kwamboka.
He has been vocal about his commitment to co-parenting and providing for his children, though he has faced public disputes with Waititu over custody and child support. Frankie’s height is 6’0″ (182 cm).
His dating history has been a topic of public interest. After his split with Waititu in 2019, he began dating lawyer and socialite Corazon Kwamboka, with whom he welcomed their first child in 2020 and their second in 2021, before announcing their breakup in February 2022.
In 2019, rumours linked him to vlogger Natalie Tewa, which he denied, calling the speculation “farfetched” and urging fans not to assume romantic connections with every woman he interacts with professionally or socially.
In a June 2025 interview, Frankie sparked controversy by stating that he prefers not to date women with children, citing the complexities of blending families due to his co-parenting responsibilities. He later clarified on a July 26, 2025, podcast that his comments were lighthearted and reflective of personal preference, not intended to offend. Currently, there is no public information confirming a new relationship.
Net Worth
Frankie JustGymIt, born Francis Kiarie Mukui, has an estimated net worth of $100,000 to $300,000.
As a prominent Kenyan fitness coach and influencer, his wealth is derived from multiple streams, including his fitness and nutrition consultancy, Just Gym It, and a state-of-the-art gym recently opened on Valley Road, Nairobi.
His social media presence, with over one million Instagram followers and a YouTube channel boasting 620,000+ subscribers, generates income through brand partnerships and content creation.
Additionally, he earns from two e-books, Extra Smoothie and The Fit Formula. In a 2023 podcast, Frankie claimed he has never faced financial hardship, citing an affluent family background, which likely bolsters his financial stability. His ability to support four children and maintain a high-profile lifestyle aligns with his estimated net worth range.
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