Meet the Team
Meet the Trilogy LLC team. At Trilogy LLC, we pride ourselves on providing the best team we can to our customers, and our management team brings over 100 years of combined experience in the Rockies, Dakotas, and Texas. Learn more about Trilogy, explore our services, follow us on LinkedIn or see current openings.
Leaders of the Trilogy LLC Team

Justin Ronyak
Chairman
Justin is Trilogy’s founding member and Chairman. As our Chairman he creates vision for the organization, sets long term goals, evaluate KPI of the executive team and collaborates on high level business decisions for the company. Justin has over 15 years of experience in flowback and production services and has managed and operated companies on all levels, from boots on the ground to starting ups from scratch.

Lars Wikstrom
President and CEO
As Trilogy’s CEO Lars’s main function is implementation and modeling the company’s culture valves and behavior. He manages Trilogy’s high level business functions and supports the company’s operations, sales, and administration. It is his primary accountability to ensure the overall sustainability of the company. Lars first started in the flowback and production industry in 2007 just a few months out of high school. Lars joined Trilogy in 2019 to help support Mr. Ronyak in the growth and development initiatives that he set fourth.

Nathan Burckhard
VP Business Development
Trilogy’s VP of Business Development is responsible for building and maintaining our sales pipeline. As a result his primary accountability is to develop relationships with current and prospective clients in an effort to promote sales and contribute to the overall sustainability of the company. With over 15 years of oil and gas experience all being in the bakken, Nate is an integral part of our business. Nate has managed customer accounts for several flowback companies over the course of his career.

Tiff Johnson
HR Manager
Tiff’s primary role is management of Trilogy’s Human Resources systems and functions, but her desk ends the catch all most of the time. Tiff has been with the company since inception and is always willing to tackle challenges even when they aren’t in her job description. She represents the company in a positive light by modeling professionalism, being consistent and fair in all aspects of her job duties.

Jacquelynn Nehilla
Controller, North Dakota
As Controller, Jacquelynn oversees financial management, ensuring accuracy, compliance, and efficiency in all financial processes. She is passionate about leveraging her expertise to contribute to the success and growth of Trilogy, ensuring financial stability and resilience in an ever-evolving business landscape. As a Certified Public Accountant, she is skilled in financial reporting, budgeting, optimization, and strategic planning. With over 8 years of experience, half of which were spent in the Oil & Gas industry, she brings a wealth of expertise to her role. Outside of work, she spends her time with her husband and two children.

Matt Fay
Director of Business Development, Texas
Born and raised in West Texas I entered the Oil and Gas industry as a young adult and now have 12+ years of experience in flowback and production testing. As the Director of Business Development Texas I leverage my experience to build and maintain strong relationships with current and prospective customers. My focus is to deliver high quality service in all aspects of every project. Outside of work, I enjoy spending my downtime with friends and family.

Cody Shriver
General Manager, Rockies
Cody’s primary accountability to is ensure the safe and effective execution of job operations in an effort to retain customers and promote growth. Provide stewardship to our employees to reduce employee churn over by developing a working environment that is focused on professional career development, hard work and a results driven culture. Cody is a strong team member and is continually focused on improving operations and the working environment for our employees. Cody has over 10 years of flowback and production experience in the bakken and has opened 100s of new to production wells for our customers in the past few years.

Dennis Herrington
Vice President of Sales, Texas
As Trilogy’s Vice President of Sales, Dennis is responsible for building and maintaining the company’s sales pipeline and supporting overall revenue growth. He has 20 years of experience in the flowback and production industry, working across the Permian, Eagle Ford and Haynesville shale plays.
Dennis spent nearly the first decade of his flowback and well testing career in the field as an operator before moving into business development and sales. Over the years he has worked with operators and service companies on flowback, sand management and automation solutions and has been part of two successful startups focused on bringing new technology and services to the market.
Dennis is based in Katy, Texas and spends his free time with his four children and enjoys traveling.

Kyle Ohlhauser
Operations Manager, North Dakota
Kyle's primary goal as Operations Manager is to ensure the success of day-to-day field operations. Kyle lives all of Trilogy's core values every day to bring our customers in the Bakken the expertise needed to have successful and well running job sites. He is dedicated to maintaining the highest quality labor and equipment standards for both our employees and customers. Kyle is one of the companies longest term and loyal employees.

Roy Estakhri
HSE Manager, North Dakota
As Trilogy’s HSE Manager Roy’s primary role is to assist in the implementation and maintenance of Trilogy’s comprehensive safety and health program along with promoting up to date safe work practices to ensure trilogy’s safety-first culture is at the forefront of our industry. Roy has nearly 20 years in the safety and health industry and has overseen safety on some of the largest projects in the United States. Roy has many certifications and is also a certified ND EMT.

