David H. Vahlsing, PE, founder and president of Hydrocarbon Engineering Associates, Inc, which is now a division of Becht Engineering Company of Liberty Corner, NJ. Dave is currently Director of the Becht Philadelphia office. David H. Vahlsing has extensive petroleum industry and consulting experience, with emphasis on process design, technology evaluation, project scoping and oversight of project teams. Dave developed and applied his professional expertise at Sunoco's Toledo refinery, the Central Engineering Department, the Toronto headquarters of Suncor and in R&D, and since with HEA and Becht Engineering. He was the Central Engineering expert in HF Alkylation, Isomerization, treating of crude and refinery projects where he also supervised the Process Design and computer support groups. He has evaluated many licensed technologies for use in Sunoco's refinery and chemicals businesses. He managed the Synfuels and the Technology sections of Sunoco's R&D that included support to Sun's coal company, tar sand operation in Alberta, Canada and research projects funded by the federal government and by the corporation. He has served as an expert witness for international arbitration cases.