Not sure how common the name is in SF – no decent search engines anymore. Only got "news" hits regarding the murder. Whitepages is worthless, also.
>Mollie Tibbetts father (Robert Tibbetts) worked at the architectural firm that constructed the William Jefferson Clinton Children’s Center in Haiti.
Rob Tibbetts is a member of the board of directors for the San Francisco Chamber of Commerce, which describes him as having worked as Vice President/ Marketing Principal at a company called HOK.
>HOK is the USGBC’s official design partner for Project Haiti, the replacement of an orphanage and children’s center that was severely damaged in the 2010 earthquake.
https://www.hok.com/design/service/architecture/william-jefferson-clinton-childrens-center/
https://www.sfoconstruction.com/user/2237