Leaders

Major General R. Dale Lyles
The Adjutant General of Indiana
Major General R. Dale Lyles is the 59th Adjutant General of Indiana.
Prior to becoming Adjutant General on October 1, 2019, General Lyles served as the Deputy Chief of Staff for Operations G3 at National Guard Bureau, Arlington, Virginia.
A native of Salem, Indiana, General Lyles earned his bachelor’s degree in Business from Indiana University in 1989, and was a 1994 graduate of the Indiana Military Academy where he received his commission. Additionally, General Lyles holds a master’s degree in Management from Oakland City University and a master’s degree from the U.S. Army War College in Strategic Studies.
General Lyles has held multiple command and staff positions throughout the last 25 years to include serving as the Plans and Operations Officer at Camp Atterbury, Indiana; S1, 76th Infantry Brigade; Indiana Army National Guard Recruiting and Retention Operations & Training Officer; 219th Battle Field Surveillance Brigade, Brigade Operations Officer, and the Brigade Executive Officer; Battalion Commander, 2-152 Reconnaissance and Surveillance Squadron; Brigade Commander, 219th Engineering Brigade. Additionally, he served as the Commander of Muscatatuck Urban Training Center and as Director of Atterbury Muscatatuck Center for Complex Operations.
Operational deployments include Commander, Company C 1-151st Infantry, Bosnia and S1, 76th Infantry Brigade, Afghanistan.

Maj. Gen. Timothy Winslow
Assistant Adjutant General - Army
Major General Timothy Winslow is the Assistant Adjutant General-Army for the Indiana National Guard. He is the senior advisor to the Adjutant General. Maj. Gen. Winslow translates guidance and intent into actionable plans, generating individual and collective readiness and sustaining the performance of headquarters staff, Army National Guard commands and Air National Guard wings, which altogether comprise more than 11,000 soldiers, and civilians.
General Winslow was commissioned in 1989 from ROTC, and subsequently served as Platoon Leader, Troop D 1st Squadron 238th Cavalry in Shelbyville, Ind. He served in various unit leadership and operational roles in Aurora, Colo.; Fort Belvoir, Va.; Shelbyville and Kuwait, and as 38th Infantry Division Chief of Staff. He has flown more than 2,500 flight hours in the OH-58 A/C, UH-1 H/V, AH-1 F, UH-60 A/L and C-12 C/D/T/U. In 2012, he served Indiana National Guard Headquarters as State Army Aviation Officer, and from 2015-2016 led the J3 as its Director of Plans, Operations, and Training. Prior to his present position he served as Chief of Staff.
He earned a bachelor of science in advertising concepts from Purdue University and a master’s degree in business administration from the University of Phoenix. He received an MSS in strategic studies from the United States Army War College. His decorations include the Meritorious Service Medal with 1 Silver Oak Leaf Cluster and the Army Commendation Medal with 2 Bronze Oak Leaf Clusters.

Brigadier General Michael D. Stohler
Assistant Adjutant General - Air
As a member of the Indiana Air National Guard and the 122nd Fighter Wing for 37 years and counting, Brig. Gen. Stohler brings a wealth of experience to this position. His career began in 1985 as an enlisted crew chief. He was later commissioned into a F-16 pilot position in 1990.
After completing UPT as a distinguished graduate, Brig. Gen. Stohler went on to complete weapons school and serve as the 163rd Fighter Squadron Commander, the 122nd Operations Group Commander, the 122nd Fighter Wing Vice Commander, and the State Director of Operations. Additionally, he supported Combatant Commanders in Operations SOUTHERN WATCH, IRAQI FREEDOM, ENDURING FREEDOM, and INHERENT RESOLVE, both as a pilot and in serving as the deputy group command/group commander at Bagram AB, Afghanistan in 2012 and the Air Expeditionary Group/Group Commander at Ahmad al-Jabar AB, Kuwait in 2015.
Brig. Gen. Stohler has served as the Commander of the 122nd Fighter Wing since April of 2018, leading the wing successfully through several major deployments, evaluations, and exercises.

Brig. Gen. Justin Mann
Director of the Joint Staff
Brigadier General Justin Mann is the Director of the Joint Staff for the Indiana National Guard. He leads the integration of strategic and joint staff issues for 11,500 Soldiers and 2,000 Airmen of the Indiana National Guard. His span of responsibility includes managing an annual budget of over $550 million, 53 armories, 2 air bases, and a maneuver training center. He ensures staff oversight and operational readiness of a Division headquarters, two air wings, five brigades, and three separate brigade-level units in the Indiana National Guard.
General Mann entered the military upon his commission as an armor second lieutenant from Purdue ROTC in 1995. COL Mann served in various leadership positions while on active duty stationed in Vilseck Germany, Fort Knox KY, Fort Riley KS and Tank and Automotive Command, Warren MI. After 8 years of active duty, he joined the Indiana National Guard as a TAC officer at the Indiana Military Academy.
Prior to his present position he served as Commander, 76th Infantry Brigade Combat Team (IBCT), 38th Infantry Division, Indiana Army National Guard. His other previous assignments were Executive Officer, 76th IBCT, Squadron Commander, 1-152nd Cavalry, Executive Officer 1-151st Infantry, Executive Officer 113th Sustainment Battalion and Assistant S3, 76th IBCT (Operation Iraqi Freedom).
He earned a bachelor’s of arts from Purdue University and a master’s degree in strategic studies from the United States Army War College. His decorations include Legion of Merit, Meritorious Service Medal with 1 Silver Oak Leaf Cluster and the Army Commendation Medal with 1 Silver Oak Leaf Cluster and 2 Bronze Oak Leaf Cluster.

Col. Cathleen A. Eaken
Chief of Staff
Colonel Cathleen A. Eaken serves as Chief of Staff of the Indiana Army National Guard, and as commander of the 38th Sustainment Brigade.
Prior to her current roles, she served as Chief of Staff for the 38th Infantry Division. Col. Eaken's military assignments include: G4, 38th Infantry Division during Operation Spartan Shield, Camp Arifjan, Kuwait; Director of Logistics, Camp Atterbury Maneuver Training Center; Battalion Commander for the113th Brigade Support Battalion; State Public Affairs Officer; G1, 38th Infantry Division; Director for State Family Programs; Assistant State Training Officer; Operations officer for the 219th Area Support Group in support of Operation Enduring Freedom in Bagram, Afghanistan, and more.
Col. Eaken commissioned through the ROTC program at Ball State University and is a graduate of the Army's Command and General Staff College and the U.S. Army War College. She holds a bachelor’s degree in Social Work from Ball State University and a Master of Strategic Studies from the U.S. Army War College.
