Theresa has been in the oil and gas industry for over 25 years in both technical and commercial roles.

With 10 years' experience selling oil and gas software and services in his home city of Houston, TX, Sidney has worked closely with some of the largest US-based energy companies in the world, and countless unconventional companies operating in the US.

Alan is a geophysicist with over 20 years of experience helping energy companies unlock the value of their subsurface data. With a background spanning seismic processing, imaging, reservoir characterization, and geoscience software, he combines deep technical expertise with a strong focus on customer success. At Cegal, Alan leads the Geophysics Applications portfolio, driving innovative solutions that support better subsurface understanding and decision-making. 

Joanne is an experienced Geophysicist with more than 18 years of experience in the oil and gas industry. Joanne joined Cegal’s team in March 2024 as Technical Sales advisor and works closely with customers to ensure they extract as much value as possible out of Cegal’s Geoscience and Data Management products portfolio.

As Data Products Portfolio Manager, Rebecca oversees Cegal’s suite of subsurface data management products. She is responsible for the strategic direction, and with her team delivers unique data management solutions tailored to our industry's evolving needs. As a geoscientist by background, she understands customers’ perspectives and challenges, and she brings 12+ years of industry experience. 

PhD candidate in Applied Geophysics with six years of experience in the mining and geotechnical sectors as an exploration geologist and field geophysicist. Since 2025, Product Owner in the Prizm team, working at the intersection of subsurface domain expertise, data management, and product development, with a focus on enabling data-driven subsurface workflows. 

An enthusiastic multi-domain geoscientist with over 20 years of professional experience covering a broad range of roles with leading software companies supporting the oil and gas industry.  He enjoys working with clients to analyze their challenges and develop software products to meet their specific needs.

Kersti has more than 20 years of experience in the oil and gas industry, complemented by a broad background in product management and business development. As the head of the Software business unit at Cegal, she is at the forefront of driving the company’s strategic vision, spearheading initiatives that deliver exceptional business value to customers in the energy industry. Through her leadership, Cegal is committed to foster innovation and lead with technology and expertise in an ever-evolving market landscape.

As Director of Product Marketing in Cegal, Julie spearheads the company's product portfolio's marketing strategy. With more than 18 years of experience in petroleum geoscience, product management, sales and marketing, and digital technologies, she brings a unique blend of skills to her role.