Small Business Administration chief and Greenwich resident Linda McMahon will speak Oct. 20 at a Darien breakfast sponsored by multiple local business groups, with the event open to all as space permits.

The breakfast takes place on Oct 20 from 7:45-9:45 a.m. at the Country Club of Darien at 500 Mansfield Ave., with tickets $40 for members of participating business associations and $50 for the general public.

To register, visit the websites of hosts the Business Council of Fairfield County, the Darien Chamber of Commerce and the Westport-Weston Chamber of Commerce. The talk is sponsored by First County Bank.; 203-842-2545; @casoulman