 Genesis HealthCare Genesis GEN, one of the largest post-acute care providers in the United States, today announced that its founder, Michael R. Walker passed away over the weekend after a long-term illness and complications from COVID-19. Mr. Walker founded Genesis in 1985 and was Chairman and Chief Executive from 1985 to 2002. In 1985, Mr. Walker founded the Company under the name Genesis Health Ventures, with nine Centers based in New England. 