The Master's College

Administration Profiles

Dr. John MacArthur - President

B.A., Los Angeles Pacific College
M.Div., Talbot Theological Seminary
Litt.D., Grace Graduate School
D.D., Talbot Theological Seminary

John MacArthur is the pastor-teacher of Grace Community Church in Sun Valley, California, as well as an author, conference speaker, president of The Master’s College and Seminary, and featured teacher with the Grace to You media ministry.

In 1969, after graduating from Talbot Theological Seminary, John came to Grace Community Church. The emphasis of his pulpit ministry is the careful study and verse-by-verse exposition of the Bible, with special attention devoted to the historical and grammatical background behind each passage. Under John’s leadership, Grace Community Church's two morning worship services fill the 3,500-seat auditorium to capacity. Several thousand members participate every week in dozens of fellowship groups and training programs, most led by lay leaders and each dedicated to equipping members for ministry on local, national, and international levels.

In 1985, John became president of The Master's College (formerly Los Angeles Baptist College), an accredited, four-year liberal arts Christian college in Santa Clarita, California. In 1986, John founded The Master's Seminary, a graduate school dedicated to training men for full-time pastoral roles and missionary work.

John is also president and featured teacher with Grace to You. Founded in 1969, Grace to You is the nonprofit organization responsible for developing, producing, and distributing John’s books, audio resources, and the “Grace to You” radio and television programs. “Grace to You” radio airs more than 1,000 times daily throughout the English-speaking world, reaching major population centers on every continent of the world. It also airs nearly 1,000 times daily in Spanish, reaching 23 countries from Europe to Latin America. “Grace to You” television airs weekly on DirecTV in the United States, and is available for free on the Internet worldwide. All of John’s 3,000 sermons, spanning more than four decades of ministry, are available for free download at the ministry’s website,

Since completing his first best-selling book The Gospel According to Jesus in 1988, John has written nearly 400 books and study guides, including Our Sufficiency in Christ, Charismatic Chaos, Ashamed of the Gospel, The Murder of Jesus, A Tale of Two Sons, Twelve Ordinary Men, The Truth War, The Jesus You Can’t Ignore, Slave, and The MacArthur New Testament Commentary series. John's titles have been translated into more than two dozen languages. The MacArthur Study Bible, the cornerstone resource of his ministry, is available in English(NKJ, NAS, and ESV), Spanish, Russian, German, French, Portuguese, and Italian, with Chinese and Arabic translations underway.

John and his wife, Patricia, live in Southern California and have four adult children: Matt, Marcy, Mark, and Melinda. They also enjoy the enthusiastic company of their fifteen grandchildren.

Lee Duncan - Executive Vice President

Lee Duncan_7631.jpg

B.A. Bible, Bob Jones University
M.A. Bible, Bob Jones University
M.S. Education Administration, Bob Jones University
Ed.D. Education Leadership, Bob Jones University

Dr. Lee Duncan comes to serve as the Executive Vice-President at The Master's College from his previous position as the Associate Executive Director of the Accrediting Commission for Schools, Western Association of Schools and Colleges (WASC). In addition to 3 years of experience at WASC, he has served for 2 years as the Dean of Administration at TMC and 30 years as a Christian school administrator, both in Illinois and California. Lee also served for 8 years as the Executive Director of The Illinois Association of Christian Schools and was on The Illinois Advisory Committee to the Governor on Non-Public Schools for 12 years.

Mr. Jason Hartung - Vice President of Finance

B.S., The Master's College
M.B.A., Azusa Pacific University

Mr. Jason Hartung served in a number of roles at The Master's College prior to becoming Vice President of Finance and Chief Financial Officer in July 2007. He started in July 1994 as a Counselor in the Office of Student Employment where he helped in the development of TMC's Work Study Program. His responsibilities included advising and placing students into part-time internships, overseeing student employment timekeeping and payroll, marketing the Off Campus Work Study Program to local businesses, and serving as a mediator in work-related conflicts.

In October of 1996, he became the Director of Student Employment. His responsibilities included implementation and operation of the Work Study Program, development of policies and procedures related to student employment, administration of Federal Work Study funds, and assisting in the development of enrollment strategy and financial aid program design.  Mr. Hartung was then promoted to the position of Assistant Controller in July of 1999.  In this position, he coordinated institutional budget planning and managed staff in Payroll and Student Finance. He was also responsible for monitoring institutional budget performance and coordinating contract bid processes.

As Chief Financial Officer, Mr. Hartung provides leadership in the area of corporate financial affairs which includes accounting, receivables, payables, payroll, financial aid, budget planning, financial reporting, contracts administration, investments, physical plant, capital projects, student employment, and human resources.

Mr. Hartung serves on the board of The Elisha Foundation, which provides support for families of children with special needs.  He is actively involved in his local church, Faith Community Church in Santa Clarita, CA.  He and his wife, Mary, have three daughters, Megan, Cara, and Nicole, and a son, Tyler.

Mr. Nate Prince - Chief Information Officer


B.S., The Master's College
B.A., The Master's College
M.S., Nova Southeastern University

Upon graduation from The Master's College in the Fall of 1997, Nathan Prince worked in the IT department at Grace Community Church. In his 10 years there, he served in several positions including Network Administrator and finally Director of IT. His scope of responsibilities included oversight of application and website development, network operations, and multimedia efforts.

In early 2008, Nathan went to work for The Annenberg Foundation as their IT Officer. During his short time there, he was responsible for the coordination of various projects including digital asset management, network infrastructure design, and website application development.

Nathan became the Chief Information Officer of The Master's College in May 2008.

Nathan and his wife Joy have a son, Grant, and a daughter, Kaylan, both adopted from South Korea.

Mr. Joe Keller - Dean of Student Life

M. Div. The Master's Seminary
D. Min. Westminster Seminary (ABD)

Joe Keller has been involved at The Master's College in a number of roles, including Director of Campus Ministries, Associate Dean of Students, and Dean of Student Life. In his years at the College, Joe's love for people and his desire to train students in leadership and love for the Lord have been evident in his direction over the Servant Leadership Staff and the Residence Hall staff. These responsibilities have given him opportunity to participate in the formation of community living and service on the College campus. Joe enjoys sport, film, gardening, and laughing with his wife Heidi and their three kids.

Dr. John Hughes - Vice President for Institutional Planning and Research

B.A., Brigham Young University
Ph.D., Brigham Young University

Dr. Hughes began teaching at Los Angeles Baptist College in the Fall of 1981 as the Director of the Teacher Education department. He received both his B.A. degree in Mathematics in 1971 and his Ph.D. in Instructional Psychology in 1974 from Brigham Young University. Prior to coming to LABC, Dr. Hughes worked for eight years as an instructional designer at Courseware, Inc. In that role, he consulted with a wide range of businesses, government agencies, and the military in the analysis, design and development of training programs.

After Dr. MacArthur became president and the school's name was changed to The Master's College, Dr. Hughes was given the additional responsibility of being the Dean of Enrollment Management. He became the Registrar in 1990, and assisted in conducting some of the College's institutional research activities. In 1992, he became the Associate Academic Dean, and was promoted to Vice President for Academic Affairs in 1995. In that role, he was responsible for the oversight of all academic major programs at the college as well as management of the Library, Academic Records, Career Planning & Placement, Internet development and Management Information Services. In 2012 Dr. Hughes became the Vice President for Institutional Planning and Research.

Since 1993, he has had the opportunity to work with several TMC graduates who serve as missionaries in the country of Albania and had made a number of trips to that country to present workshops about educational methodology to Albanian educators and government agencies.  He has also served on a variety of committees for the Western Association of Schools and Colleges (WASC) which accredits all colleges and universities in California and Hawaii.

Dr. Hughes and his wife, Phyllis, have four married children (all of whom have graduated from The Master's College), and twelve grandchildren. He enjoys backpacking, fishing, and outings with grandchildren.

Mr. Robert L. Hotton - Vice President for Operations

Mr. Hotton entered the U.S. Navy in February 1958 and served as an AC2 with the Airborne Early Warning Squadron. During his tour of duty, he was a lead petty officer of a 15-man flight crew and also held an officer billet for six months due to a shortage of commissioned officers. He was Honorably Discharged as Petty Officer Second Class in 1962.

In 1962, Mr. Hotton joined State Farm Insurance Company as a Multiple Lines Insurance Agent selling and servicing auto, fire, life and disability insurance. In 1966, he joined Guardian Life Insurance Company where he started as a Sales and Service Representative. During the next six years he was promoted to Regional Manager for the states of Arizona, New Mexico and west Texas. In this position he developed employee benefit packages, sold and serviced client needs and supervised a staff of ten employees who serviced and paid employee benefit claims.

In 1976, Mr. Hotton became a licensed contractor and managing partner of Bob Hotton and Associates dba Hotton-Bolin Builders. His many projects included single and multiple family dwellings, commercial office buildings and apartment buildings. He was actively involved in land acquisition and plan development for these projects working with architects and engineers, bidding, purchasing, reviewing, executing contracts and project marketing. He also worked with governmental agencies and city planning commissions to gain approval for these projects.

Hotton-Bolin Builders merged with its parent company, Lee Bolin and Associates in 1984 and Mr. Hotton was appointed Director of Employee Relations for one of the largest framing contractors in Southern California. His responsibilities were to provide oversight and direction for the company's general liability insurance, workers compensation and employee benefits and to provide litigation support for attorneys representing the company. At times, he assisted injured employees with grief counseling after injuries that caused stress and anxiety within their families. While in this position, he was tasked with developing field safety programs and performing inspections and evaluations of job safety conditions. He also taught small group management and motivational training for employees.

In 1994, Mr. Hotton joined the staff of The Master's College as Director of Operations to provide students and faculty with fully functional facilities and a campus that will facilitate the learning process. He directed the work of the Maintenance, Grounds and Housekeeping departments, and acted as liaison with the faculty and staff to schedule routine maintenance and renovation of existing facilities.

In 1995, due to his experience in the construction and business fields, Mr. Hotton was asked to assume the position of Vice President for Operations. He has oversight of all campus construction projects facilitating the acquisition of necessary plans, permits and inspections. He has primary responsibility for the review, maintenance and update of the Campus Master Plan interfacing with city officials, architects, engineers and Cabinet members to accomplish the goals of this plan. In addition, he provides overall direction for the auxiliary services departments and Human Resources.

Mr. Hotton and his wife, Glenda, reside in Santa Clarita. They have four daughters and ten grandchildren, who also live in the Santa Clarita area. Mr. Hotton enjoys being a grandpa, golf and general aviation flying, when time permits. He serves on the board of the Heaven and Home Hour and is an elder at Grace Community Church.