Arthur Kaluma Bio
Arthur Kaluma is a Ugandan-American professional basketball player who currently serves as a power forward and small forward for the South Bay Lakers of the NBA G League. Born in Boston, Massachusetts, on March 1, 2002, and raised in Irving, Texas, Kaluma developed into a highly regarded recruit during his high school years. After establishing himself as a four-star prospect, he embarked on a notable collegiate career spanning three major programs before launching his professional journey in 2025.
Early Life and Background
Arthur Kaluma spent his formative years in Irving, Texas, where he began developing his basketball skills at a young age. He initially attended Universal Academy for his early high school years before transferring to Dream City Christian School in Glendale, Arizona, prior to his junior year. This move positioned him for increased exposure to collegiate scouts and higher-level competition.
During his high school career at Dream City Christian, Kaluma established himself as a four-star recruit, attracting attention from multiple NCAA programs. He initially signed a National Letter of Intent to play for UNLV, but was released from this commitment following the departure of head coach T. J. Otzelberger. This circumstance opened the door for Kaluma to explore other opportunities at the collegiate level.
Path to Professional Basketball
After being released from his UNLV commitment, Kaluma received scholarship offers from several programs, ultimately choosing to continue his basketball career at Creighton University. He selected the Bluejays over notable programs including Arizona, Western Kentucky, and Syracuse. This decision marked the beginning of his journey through major college basketball.
Kaluma earned a starting role entering his freshman season at Creighton, demonstrating his readiness for the collegiate level immediately. He finished his first season averaging 10.4 points and 5.4 rebounds per game, performances that earned him recognition on the Big East All-Freshman Team in 2022. This early success established him as a promising prospect for the future.
Arthur Kaluma Career
Creighton Bluejays (2021–2023)
Kaluma built upon his freshman campaign during his sophomore season at Creighton, continuing to showcase his developing offensive repertoire and rebounding ability. He entered the season on the watch list for the Karl Malone Award, which honors the top power forward in college basketball. By the end of his sophomore year, he improved his averages to 11.8 points, six rebounds, and 1.6 assists per game.
Following his sophomore season, Kaluma declared for the 2023 NBA draft while simultaneously entering the NCAA transfer portal, maintaining his eligibility throughout the process. He eventually withdrew his name from the draft, opting to continue his collegiate career rather than pursue professional opportunities at that time.
Kansas State Wildcats (2023–2024)
Kaluma made the decision to transfer to Kansas State University for the 2023-2024 season. At Kansas State, he assumed a significant role within the Wildcats rotation and delivered his most productive collegiate statistical season. He averaged 14.4 points, 7.0 rebounds, and 2.0 assists per game while logging 34.5 minutes per contest, demonstrating his ability to contribute across multiple facets of the game.
This strong performance at Kansas State further elevated Kaluma’s profile as a potential professional prospect. Following the conclusion of the season, he entered the transfer portal once again, ultimately choosing to continue his collegiate journey at the University of Texas.
Texas Longhorns (2024–2025)
Kaluma transferred to the University of Texas, selecting the Longhorns over SMU for his final season of collegiate eligibility. At Texas, he served as a key contributor for the program, averaging 12.3 points, 7.5 rebounds, and 1.8 assists per game while shooting 46.2 percent from the field. His well-rounded statistical profile demonstrated his versatility as a forward capable of scoring, rebounding, and facilitating for his teammates.
After completing his senior season with the Longhorns, Kaluma declared for the 2025 NBA draft, concluding his collegiate career that spanned three major programs. Throughout his four years of college basketball, he consistently displayed his ability to impact games on both ends of the floor.
Los Angeles Lakers and South Bay Lakers (2025–Present)
Kaluma went undrafted during the 2025 NBA draft but quickly signed as an undrafted free agent with the Los Angeles Lakers shortly afterward. He participated in the 2025 NBA Summer League with the Lakers, using the platform to showcase his skills against other emerging professionals competing for roster spots.
Following his Summer League performance, Kaluma signed an Exhibit 10 contract with the Lakers organization. This one-year, non-guaranteed agreement allowed him to participate in the Lakers training camp as he competed for a standard roster position. After being waived on September 26, 2025, Kaluma was added to the Lakers NBA G League affiliate, the South Bay Lakers, where he continues his professional development.
Playing Style and Strengths
Kaluma operates primarily as a power forward while also possessing the versatility to play small forward, giving him positional flexibility at the professional level. His 6-foot-7 frame and 225-pound build enable him to bang inside while maintaining enough mobility to defend multiple positions. His collegiate track record demonstrates consistent rebounding ability and developing offensive skills, with his Kansas State and Texas seasons showing particular growth as a scoring threat.
Notable Events and Milestones
Perhaps the most publicized moment of Kaluma’s collegiate career occurred when his brother, Adam Seiko, played against him in the Elite Eight of the 2023 NCAA tournament. Adam Seiko played college basketball at San Diego State, and the brothers faced each other at the highest level of collegiate competition, a rare occurrence that drew significant attention. This matchup against a family member at such a pivotal tournament moment represented a unique milestone in Arthur’s career.
Arthur Kaluma Career Highlights
Throughout his collegiate and professional career, Arthur Kaluma has accumulated notable achievements at each level of competition. His ability to improve his statistical output at each program demonstrates his work ethic and basketball development. From his Big East recognition to his consistent rebounding numbers across three major programs, Kaluma has established himself as a player capable of contributing at high levels.
College Career Summary
Kaluma’s college career spanned four seasons across three programs, with his production increasing each year. At Creighton, he earned Big East All-Freshman Team honors in 2022 while averaging double figures in scoring. His statistical improvements continued at Kansas State, where he posted his highest scoring average of 14.4 points per game. His senior season at Texas showed his all-around capabilities with near double-double averages in points and rebounds.
Professional Career
Since beginning his professional career in 2025, Kaluma has been associated with the Los Angeles Lakers organization. After being undrafted, he signed with the Lakers and participated in their Summer League roster before signing an Exhibit 10 contract. His transition to the South Bay Lakers provides him with regular playing time in the NBA G League as he continues developing his professional skills.
| Series | Points Per Game | Rebounds Per Game | Assists Per Game |
|---|---|---|---|
| Creighton (2021–2023) | 11.1 | 5.7 | 1.1 |
| Kansas State (2023–2024) | 14.4 | 7.0 | 2.0 |
| Texas (2024–2025) | 12.3 | 7.5 | 1.8 |
Arthur Kaluma Family
Family Background and Basketball Lineage
Arthur Kaluma comes from a basketball family, with his brother Adam Seiko also pursuing a career in the sport. Adam Seiko played college basketball at San Diego State University, representing another established program in the NCAA. The brothers’ shared passion for basketball created a competitive dynamic within their family that contributed to Arthur’s development as a player.
Personal Life
While Kaluma was born in Boston, Massachusetts, he grew up primarily in Irving, Texas, establishing deep roots in the Dallas-Fort Worth area. He became a Ugandan citizen in 2020, adding to his American nationality and creating a connection to his ancestral heritage. This dual citizenship enabled him to represent Uganda at the international level, further expanding his basketball career beyond the American collegiate system.
2025 Season Performance
Arthur Kaluma began his professional career in 2025 following the conclusion of his senior season at Texas. After going undrafted in the 2025 NBA Draft, he moved quickly to sign with the Los Angeles Lakers organization, demonstrating his determination to secure a professional opportunity despite not hearing his name called on draft night. His signing with the Lakers reflected the organization’s interest in his potential as a developmental player.
His performance during the 2025 NBA Summer League provided an initial evaluation window for the Lakers coaching staff. Based on that showing, Kaluma earned an Exhibit 10 contract that brought him to training camp. Though he was ultimately waived before the regular season, his addition to the South Bay Lakers maintained his connection to the Lakers organization and provided him with a professional environment to continue his development.
As a member of the South Bay Lakers, Kaluma has the opportunity to develop his game in the NBA G League while potentially earning consideration for future NBA call-ups. The 2025 season marks the beginning of his professional journey, with the South Bay Lakers serving as his platform for growth within the Lakers organization.