Management Team

Mr. Denis Biglin co-founded APS in 1993, and has over 30 years of experience in MWD, LWD and downhole tool design. Mr. Biglin holds numerous patents and was the principal inventor of APS’s patented rotary pulser. Mr. Biglin’s experience includes design, development, marketing and commercialization of many MWD, LWD and drilling products, including pulsers, turbine alternators, wave propagation resistivity tools (WPR™), LithoDensity and Neutron Porosity tools (iPCD™), Drilling Motors and Rotary Steerable Systems. Mr. Biglin started his career in the oilfield as a MWD/LWD field engineer for Teleco Oilfield Services and later joined Teleco’s RD&E department. Mr. Biglin gained international experience managing the engineering and production departments for Baker Hughes’s Asia-Pacific regional repair center in Singapore. Mr. Biglin has a B.S. in Mechanical Engineering from University of Massachusetts, Dartmouth, and an MBA from the University of New Haven.

Mr. Weiner has substantial senior management and corporate counsel experience in the energy and other industries. He has been associated with APS since 2002 and also served as Vice President and General Counsel at Teleco Oilfield Services, Inc., through its acquisition by Baker Hughes.

Mr. Brown has over 30 years of experience in a variety of engineering, applications engineering, sales, operations and product line management positions in the downhole drilling tool business with Reed Tool Company, Andergauge Drilling Systems and National Oilwell Varco. Additionally, Mr. Brown was active in the Society of Petroleum Engineers and the American Association of Drilling Engineers, where he served on the technical program committee and held leadership positions for many years. He joined APS Technology's Houston office in 2006. Mr. Brown is principally responsible for the management of Western Region Sales and certain key national accounts.

Dirk Bosman joined APS in September, 2008 and is based in Dubai where he is responsible for the Asia Pacific / Middle East / North Africa Region and the APS Dubai support centre. Mr. Bosman started his career in the oilfield services sector in 1988 with Teleco and has since worked for both Baker Hughes and DuPont. His experience includes the testing and product launching of LWD and rotary steerable systems, operations, and product line management. He is a graduate of Victoria University in Wellington, New Zealand and holds a BSc in Chemistry. Mr. Bosman has worked in various international locations and has been based in the Middle East and Asia Pacific since 1993.

Jerry joined APS in November 2021 with 43 years of experience in the Oil and Gas Industry.   Jerry spent 10 years working as a Directional Driller.  The last 31 years Jerry has held positions in Directional Drilling Operations Management and Technology Development and Support at regional and global levels.  Jerry has worked for both Major and Independent Service providers including Halliburton and Weatherford.

John Felizardo is the APS Technology Strategic Information Technology Director. Skilled in guiding navigation of modern technology. Accustomed to driving efficiency and effectiveness by developing, delivering, and supporting strategic plans. Demonstrated skill in translating technical requirements to business solutions.

John has 30 years of experience in the IT industry and has been with APS Technology since 2007 building positive relationships with internal and external stakeholders.