Trinity Mineral Management Staff

E.O. (Trey) Scott III

With a career spanning over 3 decades, Mr. Scott has worked in oil and gas for a total of 37 years, including summers on a drilling rig both onshore and in the Gulf of Mexico, between college semesters at Texas Tech University.

Mr. Scott is a Certified Professional Landman. In 1979, he went to work for an oil and gas lease broker in Corpus Christi, Texas as a field Landman. His duties consisted of mineral title research, oil and gas lease negotiations and title curative. In 1981, Mr. Scott opened his own office as an independent Landman, overseeing several lease brokers and successfully acquiring hundreds of oil and gas leases. Mr. Scott’s experience in the oil and gas industry includes an in-house position with a San Antonio based Exploration & Production Company where his duties included many aspects of oil and gas exploration, development and gas marketing.

After his time on the industry side of oil and gas, Mr. Scott began an association with a local Oil & Gas Mineral Company where he successfully acquired mineral and royalty interest in several hundred producing oil and gas wells across the United States. Mr. Scott is currently involved in all aspects of managing oil and gas royalty portfolios, including the development of databases and software for oil and gas management.

Subsequently, Mr. Scott started adding to his client list several South Texas ranches, where his responsibilities include overseeing and managing all aspects of mineral and royalty ownership including lease compliance and royalty audits, in addition to surface operations from drilling locations, pipelines, surface facilities, remediation and environmental issues.

In September of 2005, at the request of some key clients, Mr. Scott expanded his services by founding Trinity Mineral Management, LTD., where Mr. Scott is currently the Managing Partner.

Mr. Scott is a member of the Texas Land and Mineral Owner Association where he is currently serving as Vice-President, the San Antonio Association of Professional Landmen where he served as President and as Education Chairman and the American Association of Professional Landmen. He also served on Texas Railroad Commissioner David Porter’s Eagle Ford Task Force.


Sean M. Caporaletti, JD, RPL

Mr. Caporaletti was raised in El Paso, Texas, graduated from Trinity University, and received his law degree from St. Mary’s University School of Law.

Despite his non-legal role at Trinity Mineral Management, he maintains an active Texas law license, and has been admitted to practice law in North Dakota. In addition to being a father 3, Sean is also an Adjunct Professor at Trinity University where he teaches Oil & Gas. He holds a Registered Professional Landman (RPL) certification from the American Association of Professional Landmen (AAPL) and is a certified mediator.

Sean began his oil & gas career as a Field Landman in South Texas performing due diligence, leasing, title and curative work for a number of large and small oil companies.

In 2014, Mr. Caporaletti joined Trinity Mineral Management. As Senior Mineral Manager, he specializes in royalty and non-royalty lease compliance, royalty and production verification, and lease, right-of-way, salt water disposal, and surface use agreement review and negotiation.

Memberships and Affiliations include: The State Bar of Texas: Oil, Gas and Energy Resources Law Section, The San Antonio Bar Association: Natural Resources Section, San Antonio Young Lawyers Association (SAYLA), Young Professionals in Energy (YPE), Texas Land and Mineral Owners Association (TLMA), San Antonio Association of Professional Landmen (SAAPL), and the American Association of Professional Landmen (AAPL).

Kristen Collier

Ms. Collier joined Trinity Mineral Management in July 2016 as a Mineral Manager. She is responsible for the day to day management of all aspects related to Client projects which include planning, tracking and evaluating various projects on behalf of Trinity’s Clients. Ms. Collier consults with Senior Management to ensure Client satisfaction and project completion.

Prior to joining Trinity Mineral Management, she served in various roles in the Finance Department where she began as an Accounts Payable Specialist leading up to an Accounting Manager. At United Allergy Services she oversaw the Accounts Payable Department, Payroll, system development operations and development paths for department personnel during the company’s growth from startup to the largest allergy testing and immunotherapy business in the U.S.

Previously, Ms. Collier spent 10 years in Houston, TX working in Sales and Operations in the oil and gas industry at Siemens Oil & Gas, International Gasket & Supply and O∓ M Manufacturing.

Ms. Collier holds a Bachelor of Science in Business Administration with a specialization in Finance from University of the Incarnate Word. Ms. Collier is a member of the Texas Land and Mineral Owner Association (TLMA) and participates in educational seminars hosted by the San Antonio Association of Professional Landmen (SAAPL).

Brett Stinson

Mr. Stinson has worked in many diverse fields over his 26 year career providing solutions to businesses to help advance the level of technology and ability to perform the business objectives with software and architecture consulting. Some of the industries he has worked in include: Manufacturing, Energy, Oil and Gas, Telecommunications, Banking, Retail, Non-Profit and Technical Support.

Mr. Stinson began his career in 1990 as a school teacher and football coach in Central Texas, but quickly realized the computer industry, and specifically development of computer software, was his true passion.

Mr. Stinson began writing software in 1992 and he continually strives to provide the best possible solution to the current business need as well as a level of support and understanding that is unmatched by common development teams and industry standards.

In 2000, while working as a consultant in the greater Dallas area, Mr. Stinson started his own software company and began to consult for small businesses. His relationship with Mr. Scott started around that time, when he was recruited to make changes to a program called LandTracker, and has since continued as they have collaborated on many software projects over the years.

In early 2013, Trinity’s growth and need for software solutions allowed Mr. Stinson the opportunity to become a full time employee of Trinity, where he is now the in-house developer.

In September 2013, Mr. Stinson moved into the role of Chief Operating Officer for the company in order to help manage and promote the growth of the company and has since also taken on Senior Mineral Manager duties for a limited number of clients.

Jennifer M. Shuttlesworth

Ms. Shuttlesworth joined Trinity Mineral Management in January 2013 as an Administrative Assistant and Receptionist. Shortly after, her duties were expanded to include assisting with Client contracts as well as assisting with Client billing.

Ms. Shuttlesworth began to train with Senior Mineral Managers and quickly advanced to becoming proficient with the evaluation of Client royalties. She now excels in the research and analysis of production data reported to state agencies such as the Texas Railroad Commission and Texas State Comptroller.

Ms. Shuttlesworth was promoted to Assistant Mineral Manager in January 2016. In this role she continues to assist Senior Mineral Managers in all aspects relating to Client projects.

Ms. Shuttlesworth is a member of the Texas Land and Mineral Owner Association (TLMA) and participates in educational seminars hosted by the San Antonio Association of Professional Landmen (SAAPL).

Angela Estrello

In 2009 Mr. Scott recruited Ms. Estrello to join the Trinity team. She brings 22 years experience in accounting & bookkeeping to the company. During her tenure at Trinity she has successfully executed the duties of the accounts billable and receivable positions. Presently, she is Trinity’s Senior Data Analyst. She utilizes her expertise to handle all facets of Trinity’s Client Royalty Check Processing program. She specializes in check and well research, analysis, comparison, calculation and reporting.

Ms. Estrello simultaneously operates as Trinity’s GIS mapper. With 14 years of mapping experience, she is proficient in producing a variety of maps to include detailed well information, analysis of data for permitted activity around Client leased areas, and plotting areas of interest.

Marguerite Rael

Ms. Rael began with Trinity Mineral Management in 2010 as Executive Assistant to Trinity’s President, Trey Scott, acting as Liaison to facilitate all executive meetings, handling the executive calendar and assisting in all other executive level administrative support to the President.

Ms. Rael works with Mineral Managers on Client contracts of engagement and, once engaged, used her 30+ years of experience in the field of Bookkeeping and Administration to handle Accounts Receivable in its entirety to ensure monthly Client billing is a success.

She has also successfully coordinated and handled Trinity’s Profitable Mineral Management Breakfast Series seminars from 2012 to 2016.

Jeff Lambert

Mr. Lambert joined Trinity Mineral Management, Ltd. in May 2017. He received his A.A. in Communications from Northwest Vista College.

He has over 14 years of experience in human resources and customer service operations within a vast variety of industries. Mr. Lambert serves as Trinity’s Administrative Assistant and Office Supply Manager along with providing support to all management. In this role, he provides quality administrative support. In addition to this, he is responsible for providing project and client support to Senior Mineral Managers.

Prior to joining Trinity Mineral Management, Mr. Lambert spent the last 14 years serving in the U.S. Army and working on Lackland Air Force Base as a Department of Defense Contractor with the Postal Service Center.