ARKOMA - Key Persons


Andrea Alvarez

Job Titles:
  • Drafting Director
Andrea joined the team in 2014 as a Drafstwoman, but quickly also became a Project Manager due to her leadership, excellent communication, and management skills. She became the Drafting Director in 2020.

Brandon Jenkins

Job Titles:
  • Community Outreach Strategist / Local Missionary
Brandon started attending Arkoma Bible Studies in the year 2012. At the end of 2019, he transitioned into Local Missions Pastor in the Dallas/Fort Worth area. He is responsible for identifying new partnerships, leading Bible Studies, leading prayer, writing devotionals, leading local missions, equipping team members to carry out ministry, and working with local businesses and churches to serve local school districts. Before his commitment to full-time ministry, he attended Northwestern Michigan College, worked as a concert promoter, served as Director of the Boys & Girls in Royse City, and served in multiple ministry roles. He graduated from Christ for the Nations Institute in Dallas, TX.

Daniel Figueroa

Job Titles:
  • Land Administrator
Daniel is the newest addition to the Arkoma team. He works alongside with the land team to ensure every process is done carefully and correctly, he also takes care of the due diligence involved in new acquisitions. His adaptability, positive attitude, and teamwork are a few of the many things that make Daniel a great asset to the Arkoma team. He is currently attending The University of Texas at Dallas for a Bachelor of Science in Finance.

Francisco Alvarez - Managing Director

Job Titles:
  • Managing Director
As Managing Director of Arkoma, Francisco is responsible for leading teams involved in all facets of the investment cycle. This includes origination, initial reviews, structuring investment strategies and due diligence. Francisco is a trilingual professional with over 10 years of experience in investments, operations and international business development. After a period at Southern Methodist University, Francisco received his Bachelor of Science in Finance from University of Illinois -Chicago and an MBA. He was also a member of the nationally ranked NCAA Division I soccer teams.

Gabrielle Mosley

Job Titles:
  • Executive Assistant to the President
Gabrielle is extremely versatile and is able to quickly address prioritized tasks assigned by the staff. Her responsibilities include welcoming clients to our office, answering phones, filing, research, time sensitive projects, presentation binders, technology issues, as well as, a vast array of other tasks and functions. Over 15 years ago, Gabrielle joined the team as a receptionist, her managerial and communication skills allowed her to become a skilled office manager and proactive mineral buyer.

Jason Steed

Job Titles:
  • Business Development Manager
Jason brings over 10 years of experience in the Oil and Gas industry. After studying Economics at Baylor University, he earned a Bachelor's Degree from A&M University - Commerce in Agricultural Economics. Prior to joining the Arkoma team, he worked as a Business Development/Project Manager at Jericho Partners, a land service company that conducted business throughout the Marcellus and Utica formations.

Jennifer Alvarez

Job Titles:
  • Asset Manager
Jennifer has been collaborating with Arkoma since 2014. As an Asset Manager, she monitors, organizes and keeps track of every transaction and asset throughout the various companies in the group. Organization, communication, reporting, and creating executive summaries are key skills that Jennifer brings into the Arkoma team.

Katy Jo Dewald

Job Titles:
  • Senior Landman
Katy Jo has worked at Arkoma for 3 years and has been in the Oil and Gas Industry for over 16 years. As Project Manager, she is an essential role in monitoring, controlling and closing acquisitions throughout the various companies. Communication, organization, prioritizing, adaptability and reporting are key skills that Katy Jo brings to the success at Arkoma. She is a Registered Professional Landman through AAPL and has a Bachelor of Science Degree in Biology from Northwestern Oklahoma State University.

Mark S. Kelldorf - Founder, President

Job Titles:
  • Founder
  • Owner
  • President
Mark is the Founder and President of Arkoma Companies. He founded the first Arkoma entity in 1983. His career as a geologist spans over 40 years and continues to include the technical evaluation and acquisition of oil and gas assets in selective plays across the Continental United States. Mr. Kelldorf holds a Bachelor of Science in Geology from the University of Texas - Arlington, followed by graduate studies in Petroleum Geology from Southern Methodist University. In addition to being a successful entrepreneur and scientist, Mr. Kelldorf has led two weekly Bible Studies for High School students and professionals, respectively, for over 30 years in Rockwall, Texas. Mark S. Kelldorf is the owner of Arkoma Companies. He founded Arkoma Basin Exploration, also an Arkoma Companies entity, in June 1983. Mr. Kelldorf's career as a geologist spans over 40 years and continues to include the evaluation and acquisition of producing minerals and royalties throughout Arkansas, Texas, Oklahoma, Louisiana, Kansas, Colorado, and North Dakota. He began his career in the energy business at Regal Petroleum Corporation in Dallas, Texas in 1975. Mr. Kelldorf assisted in the generation of exploration prospects in the Arkoma Basin, Oklahoma and Midland Basin, West Texas. In 1978, Mr. Kelldorf took the position of Staff Exploration Geologist at R. L. Burns Corporation in Dallas, Texas. Gormco Exploration then hired Mr. Kelldorf in January 1980 as Exploration Geologist. After one year with Gormco, Mr. Kelldorf became an independent geological consultant exclusively in Southeastern Oklahoma. In 1985, he worked in conjunction with Stanford University Endowment, Austin College Endowment, and Mercantile Bank Trust (J.P. Morgan Chase) forming a venture that collectively invested over 100+ million dollars in the acquisition of producing minerals and royalties in the Arkoma Basin of Southeastern Oklahoma and the Hugoton Field of Southwestern Kansas. From 1995 to the present, Arkoma Companies, led by Mr. Kelldorf, has independently invested and acquired for its own account producing minerals, royalties, leasehold and working interest throughout the domestic United States. Mr. Kelldorf holds a Bachelor of Science in Geology from the University of Texas - Arlington, followed by graduate studies in Petroleum Geology from Southern Methodist University in Dallas, TX. , has spent over 40 years working as a petroleum geologist in major U.S. basins. He has used his expertise to lead teams of geoscientists and engineers in the development of oil and gas opportunities. Mr. Kelldorf uses proprietary geologic data to assist the Arkoma team in the selective acquisition of mineral rights and working interests. Experience, innovation, and a detailed technical process gives Arkoma a substantial advantage over the competition.

Niki McKnight

Job Titles:
  • Land Administrator
Niki graduated from Oklahoma State University in May 2017, earning a Bachelors degree in Health Promotions while playing Division I soccer. Niki serves as the Land Administrator. In addition to Land Administration, Niki also assists the land team in data research and management, as well as, drafting maps in AudoCad.