Foster worked with numerous radio stations including Cathy Hughes Radio One and Mix 106.5, and the Virgin Island-based WTBN before moving to Nigeria in February 2000, replacing fellow American Mark Silvia on Cool FM's Good Morning Nigeria Show. Foster immersed himself in his adapted country's culture, dropping phrases from the vernacular into his on-air banter in Baltimorese, and hosting various segments including Inspirational Thought and Candid Phone which quickly became popular with Nigerian listeners. Foster was named Best Radio Presenter the following year, and won the Nigeria Media Merit Award for Best Radio Personality in 2003, 2004, and 2005. He was also honoured by the City People Awards as Media Person of the Year in 2004 and 2005. In 2008, Foster left Cool FM for the newly established Inspiration FM where he was made Head of Programmes, but left in 2014 to join City FM.In May 2016, Foster joined oldies stationClassic FM 97.3 radio station where he hosted The Morning Show until August 2019.
Television
In 2007, Foster was a judge on the one-off Idols West Africa series, alongside Nigerian Dede Mabiaku and GhanaianAbrewa Nana. During the show's run he was compared to American counterpart Randy Jackson, although he received criticism for not attending the Ghana auditions. In 2012 and 2013, he served as a judge on Nigeria's Got Talent alongside actress Kate Henshaw and comedian Yibo Koko.
Other ventures
In 2001, Foster had a minor role in the Nollywood film Face of a Liar. As a promoter, he created and directed the Cool FM Praise Jam concerts which commenced from 2004, with a total of over 22,000 people in attendance.
Personal life
Foster had a son, Joshua, from his previous marriage. Married to a Nigerian, Lovina, the couple were parents to daughters Kayla and Daniella, and son Somtochukwu. Foster died due to complications from COVID-19 on June 17, 2020, a day after being diagnosed.
Legacy
Foster has been credited with using his spontaneous presenting style to set the template for modern radio, thus revolutionising Nigeria's broadcasting industry. Silverbird's Ben Murray-Bruce described him as a "veteran radio host bar none." Veteran journalist Ben Tomoloju praised Foster for raising the bar in broadcasting, stating “There is a pan-nationalistic dimension to his personality, a role model, a solid phenomenon on air and off-air. " Foster's popularity was also responsible for inspiring a new generation of radio on-air personalities and bringing them into the mainstream. He mentored various beginners in the field, and planned to establish his own radio station prior to his death.