[3] He began his broadcasting career in Cornwall, Ontario at age 17 and hosted his first talk show in Saint John, New Brunswick, around 1966.
In February 1971, Toronto's 1050 CHUM announced that he would succeed Larry Solway as host of the talk show Speak Your Mind.
[4] In 1973, he became the most successful radio talk show host in Canada with 120 000 measured listeners, more than Vancouver media legend Jack Webster.
[7] A year after it launched, it was also broadcast by CJJD Hamilton, CJBQ Belleville, CJNH Bancroft, CHSC St. Catharines, and CHEX Peterborough.
[8] The show ran until 1982, when Gilbert re-joined Night Talk co-creator Taylor Parnaby, who had become station manager of CKO.