Gary Ackerman, 81, of California, formerly of Sioux Falls, died Friday, September 7, 2018, at Berlington Assisted Living in Wofford Heights, California. Memorial services will be 2:00 p.m., Saturday, September 29, 2018, at George Boom Funeral Home & On-Site Crematory, Sioux Falls. Visitation with family present to greet friends will be from 12:00 p.m. until the time of service at the funeral home. Additional obituary information will be available the week of September 17.