Kate Martin’s girlfriend, Claire Gransee, is always there to cheer her on from the sidelines. In June 2024, the WNBA player and former University of Iowa star debuted her relationship with Gransee, a fellow Hawkeye, just as her rookie season with the Las Vegas Aces was getting underway. Since then, Gransee has supported Martin at several of her games. Gransee was even in the room with Martin when she was picked up by the Golden State Valkyries in the expansion draft. The couple love to hype each other up on social media. Underneath one of Gransee’s November 2024 Instagram posts, which showed her posing on a farm, Martin commented, “Country girl😍🤠🥰.” So who is Kate Martin’s girlfriend? Here’s everything there is to know about Claire Gransee and her relationship with the pro basketball star. She's from Wisconsin, but lives in Boston Gransee is originally from Wisconsin. She attended Milton High School in Milton, Wis., where she received several academic honors, according to her LinkedIn. After graduating from the University of Iowa in 2024, Gransee moved to Boston for her work in human resources. She announced her relocation in a LinkedIn post, writing, “Boston has been my dream city since I first visited, and I am beyond grateful to have this opportunity to begin my professional career there!” She attended the University of Iowa Like Martin, Gransee also attended the University of Iowa. During her time there, Gransee served as the director of operations for the GH Foundation, a student-run organization focused on "destigmatizing gastro-health conversations," per the group's Instagram bio. She also studied abroad in Dublin, Ireland, during the spring of 2023, where she worked as an intern in the human resources department for the National Concert Hall of Ireland, according to a LinkedIn post from that year. In May 2024, Gransee graduated from the University of Iowa, earning her bachelor's in communications and minors in law and news & media literacy. “The past four years at Iowa have been truly unforgettable, and I am beyond thankful for every person I have met in my time here. I feel so lucky!” she captioned her graduation post on LinkedIn. She and Martin went Instagram official in June 2024 In June 2024, the pair debuted their relationship on social media. On June 23, Gransee shared a mirror selfie of her and Martin on her Instagram Stories, captioned, “Switched coasts for the weekend.” The following day, Martin responded to a fan on TikTok who wrote, "i can’t even be upset if that’s Kate Martin’s girlfriend because she is LITERALLY GORGEOUS STUNNING BEAUTIFUL PERFECT." Martin, seemingly confirming the romance, replied, "She is gorgeous, stunning & perfect, I can’t lie," per Heavy. She works in human resources Upon graduating from Iowa, Gransee landed her first post-grad job at Beacon Hill Technologies as a staff consultant, according to her LinkedIn. In November 2024, she began working at Publicis Sapient, a Boston-based IT consulting firm, as a human resources associate. She’s supportive of Martin’s career Since going public with their relationship, Gransee has become Martin's biggest supporter. During Martin’s rookie season, Gransee traveled to ​​Connecticut to watch Martin help the Las Vegas Aces defeat the Connecticut Suns at Mohegan Sun Arena on Sept. 6, 2024. She later shared a celebratory photo of her and Martin embracing on the court on her Instagram Stories. In January 2025, Gransee was in attendance for Martin’s debut game with Unrivaled, a newly established women's professional basketball league that plays in a 3-on-3 format during the WNBA offseason. On her Instagram Stories, she shared a photo of herself and WNBA makeup artist Danii Uke, enjoying wine in the stands. They frequently visit each other Despite living on opposite coasts, the couple frequently visit each other. In August 2024, Gransee posted a photo dump on Instagram from her time in Boston, which featured a mirror selfie of her and Martin. In the comments section, Martin lightly teased her girlfriend, writing, “You’re so artsy fartsy.” The pair also spent time together during the WNBA's break for the 2024 Olympics. Afterward, Gransee was featured in a mirror selfie amid a gallery of pictures. “Break treated me good, love my people 🙇‍♀️🧘‍♀️," Martin captioned the post. “So much cuteness!! best dump!!” Gransee replied in the comments. In a March 2025 TikTok, Gransee and Martin took in a foggy beach together in Martin's new home of San Francisco, Calif. "Felt like hozier’s yell 🙂‍↕️♥️ #exploring #sf," she captioned the video.