Executive Leadership

Boart Longyear has developed an executive leadership team by bringing together professionals at the top of their fields in the industry. This group will lead Boart Longyear to future growth and development.

Jeffrey Olsen

Mr. Olsen was appointed President and Chief Executive Officer on March 1, 2016 after serving as Chief Financial Officer since 2014. Before joining Boart Longyear, he served as Chief Commercial Officer for Rio Tinto’s Iron & Titanium business since 2010. Prior to that time, he was Chief Financial Officer for Rio Tinto’s Borax and Minerals divisions for approximately eight years, and held other financial roles at Rio Tinto for another six years earlier in his career. Mr. Olsen’s experience also includes financial roles at General Chemical Corporation and Xerox Corporation in the United States.

Mr. Olsen holds a Bachelor’s of Arts from the University of Utah and a Masters of Business from the Simon School of Business at the University of Rochester. 


Brad Baker

Mr. Baker was appointed Senior Vice President, Human Resources in 2008. Prior to joining Boart Longyear he worked for Milacron Inc. in Cincinnati, Ohio for 17 years in a variety of operational, divisional and global human resources roles including: Vice President of Human Resources, Director of Human Resources, North America, Director of Human Resources for the Plastics Technologies Group and leading the human resources and leadership integration of multiple acquisitions including the Michigan-based consumable tooling manufacturer, Valenite Inc.

Mr. Baker received his Bachelor of Science in Business Administration from Bowling Green State University and his Master’s degree in Business Administration from Xavier University.

Denis Despres

Denis Despres

Mr. Despres was appointed the Company’s Chief Operating Officer in September 2016. He began his career with Boart Longyear in 1981 and held various positions with progressive responsibility in the Company’s drilling services and products divisions over the next 26 years, including as Senior VP, Drilling Services. After leaving Boart Longyear in 2007, Mr. Despres founded his own drilling business, which was acquired by Major Drilling in 2010. He most recently served as Major’s Chief Operating Officer prior to rejoining Boart Longyear.

Mr. Despres studied in Ontario, Canada, and received a diploma in mechanical engineering technology from Algonquin College, a Bachelor of Engineering from Lakehead University and a Master of Business Administration from Queen’s University, all of which are in Ontario, Canada.

Mark Irwin

Mr. Irwin joined Boart Longyear in January 2015 as Vice President, Drilling Services Commercial and Marketing, and in September, became Chief Commercial Officer, assuming the global commercial and marketing responsibilities across Boart Longyear.  Prior to joining Boart Longyear, Mr. Irwin spent more than 15 years working in the resources sector in mining services, in investment banking and 11 years for BHP Billiton. These roles included various global leadership roles in business development, operations, global procurement and strategy.  In addition, he has also been CEO of two large Australian agricultural companies.
Mr. Irwin has a Masters of Business Degree (MBA) and a Bachelors of Law degree (LLB).


Fabrizio Rasetti

Mr. Rasetti was appointed Senior Vice President, General Counsel and Secretary in 2006. Prior to joining Boart Longyear, he was a Segment General Counsel and Segment Vice-President for Business Development for NYSE-listed SPX Corporation and served in various other management roles during his nine years there. Prior to SPX Corporation, Mr Rasetti worked in the private law firms of Howrey & Simon and Towey & Associates in Washington, DC, USA.

Mr. Rasetti received his Bachelor of Science in Foreign Service and Juris Doctorate from Georgetown University.

brendan-ryanBrendan Ryan

Mr. Ryan was appointed Chief Financial Officer on September 6, 2016. Before joining Boart Longyear, he served as Rio Tinto’s Global Head of Business Evaluation. Prior to that time, he held a number of senior executive roles with the company. Mr. Ryan’s experience also includes engineering and operations roles at Shell Coal in Australia.

Mr. Ryan holds a Bachelor of Mining Engineering from the University of Queensland and a Master of Business Administration from the University of Oxford.