Pittsburgh head-quartered Mellon Financial has appointed Shana Warshaw as senior director of its Private Wealth Management group's family office practice in Los Angeles. In this role, she will be responsible for new business development, focusing on clients with investment assets ranging from $100 million to the multi-billion dollar level throughout the western US. Prior to joining Mellon, Ms Warshaw was president of Paul L. Comstock Co. in Houston, a private registered investment advisory firm for wealth, fiduciary and investment advisory services. She also was vice president and national director of Wells Fargo Private Client Services' foundation services group. Mellon also has family office practices in Pittsburgh, Boston, and London.