John L. Brock has joined the at J&J Technical Services LLC.  He has 20 years of oil and gas sales and marketing experience, and another 14 years in a variety of other markets.

Mark Preddy, president of J&J Tech, said, “Brock has been successful at every level of sales and marketing. It has been J&J Tech’s goal to bring the company’s technology, service and products, already proven in the oilfield, to formidable levels over the next several years. It is the company’s expectation that Brock’s experience will enable him to contribute substantially toward this goal.”