Chatham University Center for Women's Entrepreneurship, 9 a.m., Main Lodge Dining Room at Eden Hall Campus, Chatham University, 6035 Ridge Road, Gibsonia. Open house and coffee hour. 412-365-1253; www.chatham.edu/cwe.
Women's Business Network - Wexford Chapter, 8 a.m., Atria's Restaurant, 12980 Perry Highway, Wexford. Call Kathy Baum at 724-934-5143.
Disability Matters with Joyce Bender, 2 p.m., online. Speaker: Lori Gregan, store manager, Roses for Autism. Visit www.voiceamerica.com.
Business Referral Network of Pittsburgh - Robinson Chapter, 7:30 a.m., Panera Bread, 295 Settlers Ridge Drive, Robinson. Networking. Visit www.getgreatreferrals.com; call 412-388-1250.
Downtown Business Connections, 7:30 a.m., The Rivers Club, Oxford Centre, Downtown. Meeting. Call 412-322-6676.
Business Referral Network of Pittsburgh - Squirrel Hill Chapter, 7:30 a.m., Crazy Mocha, 2100 Murray Ave., Squirrel Hill. Networking. Call Sue Lauer at 412-388-1250, or visit www.getgreatreferrals.com.
Executive Women's Council, 11:30 a.m., Marriott City Center, 112 Washington Place. Program: "Stiletto Networking Luncheon: Powerful Women's Networks ... Changing Business." Speaker: author Pamela Ryckman. Visit www.ewcpittsburgh.org.
Business Referral Network of Pittsburgh - Care for Seniors Chapter, 7:30 a.m., Orbis Caffe, 675 Washington Road, Mt. Lebanon. Networking. Call Sue Lauer at 412-388-1250, or visit www.getgreatreferrals.
Business Calendar appears every Sunday. To propose an item, send it to: Natalie Hill, Business Calendar, Pittsburgh Post-Gazette, 34 Blvd. of the Allies, Pittsburgh, PA 15222, fax to 412-263-0908 or email to email@example.com. Items must be received by the Wednesday before publication and should have the telephone number of a daytime contact.