Key Staff

At Cate Street Capital, we are distinguished by both the quality and diversity of our team. We have an unmatched ability to allocate staffing resources as needed, in real time, providing our clients with the benefits of both tremendous talent and enormous flexibility, all under one roof.


Our Senior Management team includes:

John R. Hallé


Mr. Hallé founded Cate Street Capital in 2009, and is responsible for strategic planning and overall corporate growth including assessing opportunities and developing new business.  Mr. Hallé is a recognized leader at raising funds through both private equity and institutional markets, and has special expertise related to investments involving energy, infrastructure and complex financing transactions.

Samuel R. Olson

Chief Financial Officer

Mr. Olson is responsible for financial oversight and reporting for Cate Street Capital.  Mr. Olson has more than 20 years of experience in finance, including Controller roles with Staples, Precision Castparts Corp. and PetEdge, Inc.; Chief Financial Officer for London Taxis North America; and Plant Controller for WICOR Americas (formerly Avery Dennison). 

Dammon M. Frecker

Managing Director, Development

Mr. Frecker is responsible for oversight of Cate Street Capital’s engineering and development team. With more than 30 years of experience in project development, Mr. Frecker’s expertise includes managing and executing feasibility studies, and comprehensive licensing and permitting for large and complex projects including fossil fuel and renewable energy generating facilities, emerging renewable fuels technologies, solid waste management facilities, and chemical production and processing facilities.

Robert J. Desrosiers

Managing Director, Compliance

Mr. Desrosiers oversees all compliance aspects of Cate Street Capital’s business activity, providing direct oversight and management of compliance programs. Mr. Desrosiers manages key company relationships with essential counterparties as well as providing necessary support to the complex contractual aspects often present in transactions.

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Contact Us

Portsmouth Office

1 Cate Street, Suite 100
Portsmouth, NH 03801