Mark Chimsky, executive editor of Harper San Francisco for the past three years, will be leaving the company by the end of January to form his own editorial consultancy business. Chimsky told PW the goal of his new firm will be to "get manuscripts into the best shape possible." He noted that "after 20 years in publishing, I'm thrilled to have the opportunity to start my own business and to continue to work with authors, agents and publishers on exciting new projects." Chimsky will be reachable at (718) 796-7378.