Thea Booysen is a South African YouTuber, Twitch streamer, author, and esports host, best known for her gaming content and for being the fiancée of YouTube star MrBeast.
She plays card games like Gwent, writes fantasy novels, and talks about psychology on her second channel. With degrees in law and neuropsychology, Thea blends gaming with science—and she’s built a fanbase of thousands along the way.
Thea Booysen Wiki/Bio
| Full Name | Thea Booysen |
| Date of Birth | December 5, 1997 |
| Age | 27 years (as of 2025) |
| Profession | Twitch Streamer, YouTuber, Author, Esports Commentator |
| Hometown | Cape Town, South Africa |
| Current Residence | Cape Town & part-time in the USA |
| Nationality | South African |
| @thea_booysen |
Physical Details
| Height | 5 ft 6 in (168 cm) |
| Weight | Around 54 kg (119 lbs) |
| Eye Color | Brown |
| Hair Color | Blonde |
| Body Measurements | 32-24-34 inches |
Early Life
Thea Booysen was born in Cape Town on December 5, 1997. She grew up in a loving and supportive family that encouraged education and creativity. Her parents were very focused on learning, and her younger sister Louisa became a model. Thea loved reading and video games as a kid. She started writing her fantasy book The Marked Children while still in school and always dreamed of becoming a storyteller and gamer.
Education
| School | DF Malan High School, Cape Town |
| University | Stellenbosch University (Law + Psychology), University of Edinburgh (M.Sc. in Neuropsychology) |
| Degrees | BA in Law, Honors in Psychology, Master’s in Neuropsychology |
Thea was a top student. She went to DF Malan High and later studied at Stellenbosch University, earning degrees in law and psychology by 2022.
In 2024, she completed a master’s in human cognitive neuropsychology from the University of Edinburgh. Her studies helped her understand the brain and mental health, which she now talks about on her channel More Than Human.
Family
| Siblings | Louisa Booysen (model) |
| Relationship Status | Engaged to MrBeast (Jimmy Donaldson) |
Thea’s family stays mostly private, but her sister Louisa is active on social media. In 2022, Thea met MrBeast during his visit to South Africa. They started dating and got engaged on Christmas Day in 2024. The couple shares a love for learning and plan to have a small wedding on an island.
Career
Thea Booysen started her content creation career in 2016. Using the name TheaBeasty, she streamed Gwent and The Witcher on Twitch. Her beginner’s guide to Gwent became very popular. She now has nearly 34,000 Twitch followers and over 40,000 subscribers on YouTube.
She’s also an esports host for CD Projekt Red and co-owns a South African gaming team called Nixuh. In 2022, she released her first novel The Marked Children, a fantasy book about a teen who discovers a mysterious mark. The book received great reviews and shows her strong writing talent.
In addition to gaming, Thea launched a second YouTube channel focused on psychology. She also appears in MrBeast’s videos, gaining more fans and popularity. Her content combines fun, mental health awareness, and gaming culture.
Career Milestones
| Year | Milestone |
| 2016 | Started streaming as TheaBeasty |
| 2022 | Published debut book The Marked Children |
| 2022 | Started dating MrBeast |
| 2024 | Earned master’s degree in Neuropsychology |
| 2024 | Engaged to MrBeast on Christmas |
Net Worth
| Net Worth (2025) | $1.5–4 million |
| Main Income | Twitch, YouTube, book sales, esports casting |
| Assets | Cape Town apartment, hybrid SUV, tech startup shares |
In 2025, Thea Booysen’s estimated net worth is between $1.5 and $4 million. She earns through streaming, books, esports events, and mental health content. She lives in a stylish Cape Town apartment and owns a hybrid SUV. She’s also invested in tech startups and mental wellness platforms.
Controversies
- MrBeast Controversy (2024): When people accused MrBeast of unsafe game conditions, Thea replied in a now-deleted YouTube comment, saying, “Half the things that are said are not true,” and showed full support for him.
- Dating Rumors (2022): Early talk about Thea and MrBeast’s relationship sparked debate online. After appearing at the Kids’ Choice Awards together, they confirmed they were dating.