Kenneth L. Sleeper, MBA, PhD, is Co-Founder, Senior Advisor, and Portfolio Manager at Sierra Investment Management. Ken jointly oversees all aspects of the organization’s activities, including asset management, research, and client relationships. Prior to co-founding Sierra in 1987 with David C. Wright, Ken applied his extensive background in statistical and computer applications to develop and refine computerized techniques for reducing downside risk. Those techniques were incorporated into Sierra’s investment process with the goal of helping clients preserve wealth. When not working with clients, Ken enjoys spending time with his wife of 40 years and his son. Ken earned his MBA and PhD


Kenneth Sleeper
Co-Founder, Senior Advisor, and Portfolio Manager
Sierra Investment Management
United States, California, Santa Monica
About Me
Profile Information
Co-Founder, Senior Advisor, and Portfolio Manager
Sierra Investment Management
Investment Team, Operations Team
Investor
RIA/Wealth Manager/Asset Manager
Santa Monica
California
United States
Aug 31, 2025
Work Experience
Sierra Investment Management
Co-Founder, Senior Advisor, and Portfolio Manager Jan 1992 - Present
Email: ken@sierrainvestment.com
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