Major General Lesniak is originally from Clifton, New Jersey. He graduated from the U.S. Military Academy at West Point in 1976, where he received a Bachelor of Science Degree. He entered active service in June 1976 and attended the Engineer Officer Basic Course at Fort Belvoir, Virginia. His initial assignment was as a Platoon Leader with B Company, 5th Engineer Battalion at Ft Leonard Wood, Missouri. He also held the positions of Company Executive Officer and Company Commander. In 1982, he was assigned to the 1st ROTC Region, with duty at the University of Connecticut, as an Assistant Professor of Military Science.
Upon release from active duty in 1984, Major General Lesniak relocated to Texas and transferred to the Army Reserve. He joined the 416th Engineer Command RTU at Fort Sam Houston, TX and served with the Engineer Design section. In 1986, Major General Lesniak moved to New York, and joined the 469th Engineer Battalion (C)(H) at Caven Point, NJ, where he served from 1987 to 1992, as the Battalion Operations and Executive Officer. From 1994 to 1996, he served with the 411th Engineer Brigade in Brooklyn, NY, as the Civil Engineer Officer and the Brigade Operations Officer. From 1996 to 1998, he commanded the 854th Engineer Battalion in Kingston, NY. From 1998 to 2000, he served as the Construction Management Officer with the 411th Engineer Brigade in New Windsor, NY.
In April 2000, he transferred to the 78th Division (Training Support) as the Combat Support Branch Chief and Battle Command and Staff Exercise Director. From 2001 to 2003, he again served with the 411th Engineer Brigade; but this time as the Deputy Commander. He returned to the 78th Division (Training Support) to command the Battle Projection Group at Fort Dix, NJ. Major General Lesniak was assigned as Deputy Commander, 94th Regional Readiness Command in March 2005, and on 2 July 2006 was appointed as the Commanding General, where he served until October 2008. In October 2008, Major General Lesniak was assigned as the Deputy Commander, 81st Regional Support Command (RSC) headquartered at Fort Jackson, SC, and served as the Commander of the 88th RSC from July 2009 to June 2012. His most recent assignment was as the Deputy Commanding General (Support)-US Army Reserve Command at Fort Bragg, NC.
Major General Lesniak completed the Engineer Officer Advanced Course, the Command and General Staff College, and the Army War College. He has a Master of Science Degree in Engineering Management from the University of Missouri-Rolla and a Master of Science Degree in Strategic Studies from the Army War College.
His awards include the Distinguish Service Medal, Legion of Merit, Meritorious Service Medal with three Oak Leaf Clusters, Army Commendation Medal with four Oak Leaf Clusters, Army Achievement Medal with one Oak Leaf Cluster, the Reserve Component Overseas Training Ribbon, and the Parachutist Badge.
He is married to the former Jane Mary Lawson of Clifton, New Jersey. Their son Brett, his wife, and 3 terrific grandchildren all reside in Salisbury Mills, New York.