Tenor - Aaron Lincoln
Our tenor Aaron Lincoln joined Triumphant Sound in April of 2014.  He resides in Sergeant Bluff, Iowa with his wife Sara and their five children.  He is a civil engineer, and serves as City Administrator for the City of Sergeant Bluff.  Aaron and his family attend Central Baptist Church in Sioux City where he is a deacon, worship leader, and very involved in many other church activities and groups.

Lead - Richard Mack

Richard has been singing gospel music for a number of years and most recently sang with the Loess Hills Gospel Quartet. Richard’s most memorable moment was filling in for Mark Blackwood and singing with the Blackwood Gospel Quartet.

Richard is a Precision Planting specialist and works at an implement dealership in Lawton, Iowa. Richard and his wife Adelle make their home in Oto, Iowa and attend the German City St. John's Evangelical Church.

Baritone - Eric Hanson
Eric is the youngest member of the group and also enjoys time booking and promoting nationally known gospel groups through his ministry Siouxland Gospel Promotions. Eric is a structural engineer by profession and is a part owner of KC Engineering, P.C. in Sioux City. Eric and his wife Julie reside in Lawton, Iowa with their three children. They are members of Heartland Community Baptist Church in Sioux City, Iowa where Eric serves on the Worship Team and also sings and plays acoustic and bass guitar on the praise team.