George Otis, Jr. is the CEO, Founder and President of The Sentinel Group, a Christian research and information agency dedicated to helping the Church pray knowledgably for end-time evangelization, and enabling communities to discover the pathway to genuine revival and societal transformation.
 
As an avid researcher, Mr. Otis has authored several books including The Twilight Labyrinth, Informed Intercession and God’s Trademarks.  He is also the executive producer of the award-winning documentaries Transformations, Transformations II: The Glory Spreads, The Quickening and Let the Sea Resound.
 
Mr. Otis has traveled and ministered in over 100 nations of the world, and has served as a senior associate with the Lausanne Committee for World Evangelization (Restricted-Access World) and co-coordinator of the United Prayer Track of the A.D. 2000 & Beyond Movement. He currently serves as an advisor to Aglow International and Lydia Fellowship. He lives near Seattle, Washington with his wife, Lisa, and their four children.