Managing Director
Jill Lewis
Jill has extensive experience in providing solutions to the many challenges that can arise when preparing and future-proofing seismic information for data libraries, computer processing and workstation analysis. Jill has worked in seismic data management since 1981 when she joined DPTS. In 1985 Jill and Bob Firth co-founded Tape Technology where she helped facilitate the establishment of a global network of specialist seismic transcription and data management centres. Jill continued to support these operations after the company was absorbed by PECC until 1994 when she co-founded Troika International. Since then, under her management, Troika has grown from strength to strength through innovative technology and a focus on meeting or exceeding customer expectations. Jill is well known throughout the industry for her passion in championing the essential value of data management for verifying the contents of data libraries; quality analysis and repair; and ensuring data is fit for purpose when required by geoscientists and engineers. For more than twenty years Jill has also been highly active on the SEG Technical Standards Committee, which she has chaired and promoted in presentations at conferences around the globe. She has been instrumental in ratifying several industry standard formats, including SEG-Y_r1, SEG-Y_r2, SEG-D_r2.1. SEG-D_r3, and SEG-D_r3.1.
Technical Director
Bob Firth
Bob is an acknowledged world expert in seismic tape formats and the technical aspects of transcription and data management. He started his career in 1973 with GSI, where he helped to develop its field tape handling software. In 1977 Bob became a founding member of DPTS, where he developed transcription systems capable of handling a wide range of legacy media and data formats. He later became Technical Director for the Tape Technology group, which in 1991 was absorbed into PECC Limited, where he was the company’s Principal Software Engineer. Bob was a co-founder of Troika International when it was established in 1994, and subsequently designed the Magma next-generation transcription and remastering system while also providing consultancy services to a wide range of companies. In addition, he has been a key author on several SEG standards documents including SEG-Y rev 1 and SEG-D rev 2.
