CHAMBER EXPO: The St. Tammany West Chamber of Commerce will bring together more than 100 businesses and more than a thousand attendees at Expo 2015 from 3 p.m. to 7 p.m. Wednesday, May 13, at Coquille Parks and Recreation, 13505 La. 1085, Covington. To register for a booth or become a sponsor, visit sttammanychamber.org.

LEADERCAST: A simulcast of a Leadercast event in Atlanta will take place from 8 a.m. to 3:30 p.m. Friday, May 8, at the Movie Tavern Northshore, 201 N. U.S. 190, Covington. Speakers at the event will include Rudy Giuliani, Seth Godin, Malala Yousfzai and more discussing the importance of being a leader worth following. Tickets are $120. To register, call (985) 892-3216, ext. 1.