About us

Management Team

Gunnar Hviding


Former President and CEO of the previously listed Roxar ASA and the former CEO of listed Crudecorp ASA. Prior to joining Roxar in 2002, Mr. Hviding served in senior management positions in Scandinavian industries, hereunder HansaBorg and Orkla. Hviding also has petroleum experience from Shell Internationale Petroleum Matschapij. Mr. Hviding holds a MEng in Chemical Engineering from Imperial College and an MBA from INSEAD.

Jomar Skalmerås


10 years of experience in the oil business and 20 years of experience as an Officer in the Norwegian armed forces. Formal military education from the Norwegian Military Academy and a MSc degree in Business Economics and Management Control. Jomar has previously held positions in RESMAN as a Project Manager and Group Controller. Jomar joined RESMAN in 2009.

Guro Solem

Vice President – Organisation & HR

Guro holds a bachelor of sociology and anthropology and a master of management. Guro has been with RESMAN since 2008 and has had various positions within sales and marketing. Prior to RESMAN Guro has worked both within private and governmental institutions, with coaching, organizational development and sales.

Øystein Mølstre

Vice President – Norway, EU, CIS & Russia

25 years of oilfield experience, 16 years with Camco / Schlumberger. Previous positions include RESMAN BDM for NCS/EU & RSG; SLB Completion Architect – Intelligent Completions; Field Service Manager – Completions & Reservoir Monitoring; Engineer in Charge – Reservoir Monitoring & Control & Core Completions; Project Engineer – Reservoir Monitoring. Joined RESMAN in 2012.

Vinnie Carvalho

Vice President – Americas

Over 19 years of experience in the oil and gas industry with 12.5 years with Schlumberger. MSc degree in Engineering Management from the University of Texas at Austin. Held positions across several countries in operations and project management, business development, marketing and sales management. Technical background in wireline logging, fiber optic sensing, data modeling & analysis, and intelligent completions. Vinnie joined RESMAN in 2012.

Ian Crossland

Vice President – UK & Africa

24 years of oilfield experience, 17 years with Schlumberger Well Services & Completions. Previous positions include Operational, Technical Instructor & Support, Product Development and Management Roles across several countries. Registered Cert IoD (Institute of Directors) UK, Post Baccalaureate in Business Studies from Tulsa University and HND, Mechanical Engineering. Ian joined RESMAN in 2012.