Officers

Marc D. Doubleday
Chief Technical Officer
Mr. Doubleday has served as Vice President and General
Manager since February 2003. From December 1994 through February
2003, Mr. Doubleday served as Northfield’s Vice President
Process Engineering since December 1994. Prior to December 1994,
he served as Northfield’s Plant Manager and Senior Process
Engineer. Before joining Northfield in 1988, Mr. Doubleday was employed
in various capacities with Davy McKee, Millipore Corporation and
Abbott Laboratories, Inc. Mr. Doubleday received his M.M. degree
from Northwestern University in 1991.
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