Mark Oestreicher has been involved in church ministry his whole life, particularly with teenagers and youth workers.  Marko has had a broad experience working in churches in Wheaton (IL), Omaha (NE), Orange County and Pasadena (CA), in roles ranging from Junior High Pastor to Executive Pastor.  For the past 11 years, Marko has been at Youth Specialties in San Diego, an organization that trains and equips church youth workers – the last 8 of those years as president.  For the last 4 years, Marko has also been a part of the leadership team of Zondervan (Grand Rapids, MI).

Marko has authored or contributed to more than 50 books, including the much-talked-about Youth Ministry 3.0, and his most recent, Middle School Ministry (co-authored with WillowCreek’s Scott Rubin).  Marko speaks nationally and internationally, and consults with churches, publishers and other businesses.

An active blogger with 2000 daily readers, Marko is engaged in social media and is a forward thinker in all things digital and youth.

Marko has been married to Jeannie for 24 years, and has two teenage children, Liesl and Max.