Church Leadership


Pastor Marcus MackayRev. Marcus J. Mackay was installed as Senior Pastor for Advent Evangelical Lutheran Church LCMS December 9, 2018.  Rev. Mackay’s education includes a Bachelor of Arts from Concordia University, WI, and a Master of Divinity from Concordia Seminary in St. Louis. He spent three years at Friends in Christ Lutheran Church in Bryant, Arkansas, and then eleven years as Sole/Senior Pastor at Peace Lutheran Church in Hastings, Nebraska. Rev. Mackay and his family reside in Zionsville, IN.  He is married to wife Jena and they have four sons:  Malachi, Matthias, Micah, and Marc. In a message to the congregation regarding his work at Advent, Rev. Mackay quoted John 15:16 – Jesus said, “You did not choose me, but I chose you and appointed you that you should go and bear fruit and that your fruit should abide, so that whatever you ask the Father in my name, he may give it to you.”
Pastor James Grady
James Grady
Assistant Pastor
“Jim” is a lifelong Lutheran who, after an 18 year career as a critical care nurse, left to answer a call to the ministry.  “Jim” finished his studies at the Concordia Theological Seminary in Fort Wayne in 2017 and was recently installed as Advent Lutheran’s Assistant Pastor.  
In addition to his Bachelor of Science in Nursing from Indiana University, he was ordained in August, 2017 as a general Pastor in the Lutheran Church-Missouri Synod. 
Jim and his wife, Debbie have been married over 25 years and live in Noblesville, IN. They have two daughters, Megan and Natalie, who are both attending college.
Deb Trewartha
Deb Trewartha
Director of Choirs & Preschool Director
Deb has been involved in church work since 1988 when she left her position of 7 years as director of the Zionsville High School Choral Department to start a family while accepting the position of Music Director at Messiah Lutheran Church in Indianapolis.
She began her work at Advent in 1997 as the Director of Youth Music. In 2000, when Advent decided to open a Preschool, Deb was hired as Preschool Director.  
Deb holds a Bachelors Degree in Vocal Music Education from Depauw University and a Master’s Degree from Butler University . She and her husband Kevin have 3 children and reside in Zionsville , IN.
Phil LehmanPhil Lehman
Kantor and Organist
After serving other churches in Indianapolis and South Carolina, Phil returned to Advent in 2007.
In addition to playing for services, he assists Deb Trewartha with the youth, accompanies the choirs, and is our dedicated wedding organist. He also applies his computer skills by recording and posting services on the church website.
Phil is active in the American Guild of Organists and other organizations, and has earned many credentials in the areas of piano, theory, organ performance, liturgy, worship and choral music.
Adrienne Brandon
Office Manager & Admin. Assistant
Ervin Garcia
Jen Siukola
Deaconess Intern 


  • Chairman – Monte Weimer
  • Vice Chairman – Craig Dykstra
  • Secretary – Heidi Thayer
  • Financial Secretary – Ashley Bergman
  • Treasurer – Paul Borth

Board Chairs

  • Board of Elders – Steve Vogtman
  • Board of Trustees – Craig Anderson
  • Board of Evangelism – Judi Hillmann
  • Board of Education – Jennifer Cummings
  • Board of Missions – Jon & Linda Silverberg
  • Board of Fellowship – Joel Davis
  • Board of Stewardship – Dan Latimer
  • School Board – 

Board of Elders

  • Andy Fordice
  • Mark Harris
  • Pete Dooms
  • Steve Vogtman
  • Ned Ryan
  • Bill Bussing
  • Matt Comer
  • Keith Mundrick
  • Rod Hofts