Zach Zehnder is a devoted husband, father, author, fourth-generation pastor, and public speaker. He is married to Allison and has two sons, Nathan and Brady. He is the founder of Red Letter Living and the author of the bestselling Red Letter Challenge. Since 2018, Zach has written and co-authored 10 books that have helped people become greater followers of Jesus. Zach currently serves as teaching pastor at King of Kings in Omaha, Nebraska. One of the craziest things Zach has done in ministry is breaking the Guiness World Record for the Longest Speech (53 hours and 18 minutes) in 2014. The event raised more than $100,000 for a local non-profit ministry. Zach holds a master of divinity from Concordia Seminary in St. Louis.