SAN FRANCISCO--(BUSINESS WIRE)--Robertson Stephens Advisors LLC, an investment management and wealth advisory firm for high net worth individuals and families, announced today that Bruce Arella has been named President of the East Coast and Midwest Regions; a member of the Executive and Investment Policy Committees; and Director of Real Estate of Robertson Stephens Partners, a subsidiary of Robertson Stephens. Mr. Arella has extensive experience in professional investment management working wit