Driscoll was the first Chief Clerk to serve the state's Assembly after the legislature became full-time in 1966.

During his career as the nonpartisan clerk, he served under 4 Democratic and 1 Republican Speakers.

While he was Chief Clerk, he attended McGeorge School of Law, where he later earned his J.D.

[4] He began his legislative career in 1957 in the first class of the Assembly Fellowship Program (at the time, it was simply called the "Legislative Internship Program" and was funded by the Ford Foundation).

[6] When Ohnimus retired in 1963, Driscoll was appointed Chief Clerk by the Rules Committee.