Aryna Sabalenka has become one of the leading tennis stars of her generation.
After struggles at Grand Slams in the early stages of her career, the Belarusian has emerged as the dominant force of the women’s game in recent years.
Sabalenka is now a two-time Australian Open champion and a US Open champion, alongside spending over 40 weeks as the WTA world No 1.
So far, 2025 has proven another successful year for her, reaching both the Australian Open and French Open finals on her way to cementing her place as the best player in the world.
And, over the past year, she has found a loyal supporter in the form of boyfriend Georgios Frangulis, her partner since April 2024.
Here, we take you through all you need to know about the multimillionaire businessman who has become Sabalenka’s No 1 fan.
Early life and career
Frangulis’ parents are originally from Greece, though he was born in São Paolo in September 1988 and raised in the city, and holds Brazilian nationality.
Frangulis would later go to Fundação Armando Alvares Penteado and study law, before graduating in 2014.
However, he did not pursue a career in law for too long, switching his attention elsewhere.
Oakberry founder
Despite his law background, Frangulis rose to prominence thanks to the launch of the global superfood brand Oakberry back in December 2016.
Oakberry is based on the use of the Brazilian fruit Acai, with a range of healthy bowls and smoothies available throughout the world.
Though the company launched less than a decade ago, Oakberry now has over 600 stores in over 35 countries worldwide.
Oakberry continues to grow from strength to strength, and it is thought that, largely due to the company’s success, Frangulis has a net worth of $75-100m.
Motorsport fan
Sabalenka has become a recurring face at Formula 1 races, with the Belarusian appearing at the 2024 season finale in Abu Dhabi and the Emilia Romagna Grand Prix back in May.
That is likely down to the influence of Frangulis, who is an avid motorsport fan, and has at times raced himself.
Since 2019, the Brazilian has raced in a range of Porsche events, largely in the Porsche GT3 Cup Challenge.
According to Driver Database, Frangulis has raced largely in his home country and has picked up three career victories.
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Relationship with Sabalenka
It was announced in January 2024 that Sabalenka would partner with Oakberry, and it is thought that this is when the two first met.
Frangulis and Sabalenka were in a relationship by April 2024, and the Brazilian has become a frequent figure in her player box since then, alongside coach Anton Dubrov.
After first being spotted in her player box at the Mutua Madrid Open, where she reached the final, he was present for both her Cincinnati Open and US Open victories in the summer of 2024.
Sabalenka’s 2024 saw her deal with the death of her former partner Konstantin Kotsov, and also struggle with injury – with the world No 1 forced out of Wimbledon.
Speaking to People Magazine, the 26-year-old credited Frangulis with helping her through her struggles.
She said: “There was a really tough period where I was really happy to have him by my side, always cheering me up, always making sure that we are doing some fun stuff.
“But I make sure I kind of forget about tennis and focus on the good things and enjoy my life. Even when things are going wrong in my career.
“So yeah, he was my biggest support and yeah, really happy to have him by my side.”
Frangulis has again appeared regularly in Sabalenka’s team box throughout 2025.
He was present for her WTA 1000 triumphs at the Miami Open and Madrid Open, and appeared in her box throughout her 2025 Roland Garros campaign, with the Belarusian reaching her first final at the tournament.
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