Rosenthal Mary Rosenthal, 56, former executive director of the Algae Biomass Organization, died of cancer Nov. 1 in Minneapolis. She had cancer. Rosenthal joined ABO in 2009 as its first top executive. She stepped down in January 2014 after the association decided to relocate its headquarters from Preston, Minn., to Washington, D.C. Matthew Carr succeeded her.ABO noted that when Rosenthal first took the job, the organization barely had enough money to guarantee her long-term employment. She helped the association grow from a small circle of volunteers to an organization with more than 200 members. The association credited Rosenthal's leadership with convincing… Read More