Gregg Hofland is a Director - Advanced Seismic Solutions at ION Geophysical at ION Geophysical. He possess expertise in earth science. Colleagues describe him as "I've worked with Gregg during projects utilizing ION's Firefly cableless seismic acquisition system. He provided outstanding support and insights about the system which yielded extremely valuable results. Gregg is extremely hard-working, experienced, innovative and knowledgeable." and "Gregg was the most pragmatic and focused colleague I had at Landmark. He excelled in generating creative solutions to complex geoscience and computer application design problems. Gregg is a good listener and leader."