Officer Candidate Bios


Eric was born in Wisconsin but grew up in the Dallas-Fort Worth area. He became a believer at the age of 19 during his first year in college. Eric and Melissa met through mutual church friends while living in Abilene. They have been married for 21 years, and have three children: James (14), Emily (12), and Anna (9 3/4). The Clays love the great outdoors and spending time exploring the wild spaces of our country.

The Clay family joined Mercy 10 years ago after attending Park Cities Presbyterian Church, and helping to plant Providence Presbyterian Church. They are community group leaders, and you will often see them serving in children’s ministry or setting up sound and video equipment. Eric has a passion for the work God is doing locally and around the world, and for connecting others to that work. He served on the pastoral search team that called Doug and has been a deacon since 2019. The Clays love Mercy’s commitment to Christ-centered community and making a difference in our city.


Jeff, Joanna and their children joined Mercy in the fall of 2019. Jeff grew up in Dallas, attending Lake Highlands High School. He graduated from the University of Texas with a degree in finance and later received an MBA from SMU. Joanna is originally from Little Rock and attended Texas A&M University before moving to Dallas. Jeff and Joanna met at Park Cities Presbyterian Church in 2000, marrying in 2003. They have four kids: Laura (19), who is a freshman at Samford University; Sarah (17), who is a junior at The Covenant School; Andrew (14), who is an 8th grader at The Covenant School; and Julia (10), who is a 4th grader at Heritage School of Texas. Joanna and Jeff grew up in Christian homes and came to faith at an early age.

Jeff is currently the CFO of a local technology company, while Joanna, a former 4th grade teacher, is the Women’s Ministry Coordinator at Mercy. Jeff loves to spend time with his family, travel, and be outdoors. He can frequently be found camping with one of the kids through various organizations. Jeff has served Mercy by being on the welcome team, sound team, and, most recently, the pastor search team that recommended Doug.


Clark and his wife, Erin, grew up in Irving, TX, and started dating at the end of high school. They both attended the University of Dallas, where Clark majored in Biology and Erin in Elementary Education. Clark continued on to UT Southwestern for medical school and a residency in Anesthesiology. Today, he has been practicing anesthesia in the DFW area for 15 years and enjoys traveling, reading, and anything that involves being on the water. Clark and Erin have been married for 21 years and have 3 children: Andrew, who is a freshman at Biola University, Corinne who is a junior at The Covenant School, and Claire who is in the 7th grade at The Covenant School.

The Morgan family came to Mercy in November of 2019 and love the small, close-knit community. They have the pleasure of leading a community group and are blessed by participating in the various ministries that allow Mercy to us and Mercy through us.


Tim and his wife Andrea are originally from Texas and have lived in Dallas since they met in medical school at UT Southwestern in 1999. Tim is an Ear, Nose, & Throat doctor and practices in Irving.  Andrea is a psychiatrist and practices in North Dallas. They have four children: Noah (age 19) is a freshman at UT Austin. They enjoy seeing him all the time thanks to FaceTime. Their other three children attend The Covenant School of Dallas: Luke (age 16), Adam (age 14) and Audrey (age 12).

The Thomason family has worshipped at Mercy Presbyterian Church since 2020; prior to that, they were members of Park Cities Presbyterian Church for many years. They have been blessed with many dear friends who are also members of Mercy and have loved going through life together with them. Tim and Andrea both come from Christian families and feel a deep conviction to pass on the faith to the next generation of believers. Tim loves to talk about favorite scripture passages and have conversations about science and faith. Andrea has participated in various Women’s Bible studies for many years and occasionally speaks at seminars related to psychiatry and Christianity.