YWCA Palm Beach County will host the Living in Harmony Luncheon, presented by Dr. Heidi Schaeffer and the Heidi Schaeffer, M.D. Charitable Trust. The luncheon will feature keynote speaker Tanya Brown, an author, counselor, advocate for mental health and domestic violence awareness, and sister of Nicole Brown Simpson. Held at the Hilton Palm Beach Airport, 150 Australian Avenue, West Palm Beach, tickets are $150. Proceeds benefit Harmony House, YWCA Palm Beach County’s domestic violence shelter. For tickets and additional information, visit ywcapbc.org.