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Al Keller
Al Keller was born and raised in Aurora, Colorado. He began his engineering career of 37 years after graduating from Colorado School of Mines with BSc. Degrees in Chemistry and Ch...view moreAl Keller was born and raised in Aurora, Colorado. He began his engineering career of 37 years after graduating from Colorado School of Mines with BSc. Degrees in Chemistry and Chemical Engineering. At Conoco/ConocoPhillips/Phillips 66, Al developed several processes for the refining and sulfur processing industries earning 32 US patents. After his retirement in 2017, Al consults out of his home in Centennial, Colorado. Al is a Licensed Professional Engineer in Colorado and Oklahoma.view less