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Technical Team

lona with waterfall.jpg

Mike Moussallem

P. Geoph. BSc Geoph.


Mike started Signature Seismic Processing in June 2000 after processing with Geco-Prakla Schlumberger and  Eclipse Seismic for nearly a decade. He is a University of Calgary graduate with a B.Sc. in Geology and Geophysics and holds his professional designation in Geophysics with APEGA. Outside of work, he volunteers at his daughter and son's schools, coaches recreational sports and helps out various community and charity organizations. Additionally, Mike assists his wife with her thriving floral business and will be one of the first to help anyone in need. In his spare time, Mike enjoys spending time with family and friends, golfing and training the family cat to do martial arts.

Lona Gregory-Brown

BSc Asph., MSc Geoph. & Geol.

Processing Manager

Lona has been with Signature Seismic since June 2012. She especially enjoys working in highly structured and challenging project areas. After graduating from the University of Calgary in 2003 with a B.Sc. in Astrophysics she delayed entering the workforce to have a family. With Signature Seismic she quickly discovered a love for geophysics and decided to pursue a M.Sc. in Geology and Geophysics, graduating May 2017. When she isn't working, Lona enjoys gymnastics, acro, dancing, golfing, travelling, skiing, hiking, biking, curling, reading, and spending time with her husband, four children and two dogs.

Brendan Clapham

BSc Geol. & Geoph., G.I.T.


Brendan Clapham joined our team back in 2017, after graduating from the University of Calgary. Brendan has 6 years experience in the seismic data processing industry, working with 2D and 3D land seismic data of complex geological settings. 


Liam Langill

BSc Geol. & Geoph., G.I.T.

Junior Processor

Liam graduated from the University of Calgary in 2021 with a B.Sc. in Geophysics. Prior to joining Signature Seismic as a GIT in August 2022, he gained industry experience in data processing and geophysics field work. In his free time, Liam can usually be found hiking / camping, playing basketball, or enjoying time with family and friends. He also enjoys hockey, bouldering and playing chess (especially when he beats Mike in 6 moves).


Dave Sherwood

BSc Asph.


Dave has been a consultant with Signature for over 15 years.


Craig Brandt

BSc Geoph.


Craig has been a consultant with Signature for over 15 years.


Deb Knox

Geophysical Technologist

Deb has been with Signature for over 15 years.



BSc Computer Information Sys.

I.T. Specialist

JB handles all of Signatures Seismic's IT needs, including it's initial set-up in 2000.


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