Meet Our Leaders

Chairman 

Terry Seikel founded Octane Environmental, LLC in 2016 and has served as its Chairman since inception. Under his leadership, Octane has grown into a recognized leader in the environmental services industry, known for its innovative approach to sustainability, waste management, and field operations across various industrial sectors. As part of the leadership team at Octane, Terry's vision has been pivotal in establishing a culture of excellence. In addition to his role at Octane, Terry is the Chairman of Defiance Holdings, LLC, a private investment firm he established. Through Defiance Holdings, Terry manages non-controlling equity interests in several privately held companies, spanning a wide array of industries and sectors. Before founding Octane, Terry was the Chairman and CEO of A.R.E. Accessories, LLC, a premier manufacturer of painted fiberglass truck caps, tonneau covers, and custom fiberglass components. During his tenure from 2006 to 2015, A.R.E. grew to employ around 700 people and generated annual sales of $110 million. His strategic direction and operational oversight culminated in the successful sale of the company in 2015. Terry’s career exemplifies a deep commitment to entrepreneurial leadership, operational excellence, and long-term business growth. His track record of founding, scaling, and investing in businesses continues to influence Octane Environmental’s management team and strategic path, fostering a culture of innovation.

CEO & President

Tony O is the CEO/President of Octane Environmental, effective January 1, 2026, after initially serving as an adviser to the Chairman & CFO.  Tony O oversees all operations of the Company.  He has over 40 years of experience covering a wide range of business improvement consulting and leadership development assignments, including finance, operations, process improvement, change management and corporate governance/risk management leadership roles.   Tony O had recently retired as a senior partner in KPMG’s Advisory-Risk Consulting practice, where he worked with many premier clients.  His teams evaluated organizations and helped improve finance and operational results.  Earlier in Tony O’s career, he worked for three Fortune 500 companies in the technology, consumer products and manufacturing industries.  He also served as a business unit leader for a financial services company where his largest client was the U.S. Department of the Treasury.  He served as a Board member for Walsh University (Chairman of the Audit Committee) and member of the National Association of Corporate Directors (NACD).

COO 

Eric Garcia is the Chief Operating Officer of Octane Environmental, a leader in environmental services, and has been with the company since its inception. He brings a disciplined, results-driven approach shaped by both military and industry experience. Before entering the energy sector, Eric served six years in the U.S. Army — two years with a reserve unit and four years on active duty — where he developed his leadership, operational planning, and problem-solving skills. In 2006, he began his oil and gas career with Universal Well Services, specializing in conventional vertical fracking. Over the years, Eric has built a reputation for operational excellence and hands-on leadership, making him a valuable member of the management team with a deep understanding of both fieldwork and corporate strategy. At Octane, Eric leads daily operations and long-term initiatives, focusing on efficiency, safety, and sustainable growth. His leadership style is rooted in fairness, accountability, and respect — always working to strengthen the leadership team while listening to the concerns of his team and offering clear direction in challenging moments.

CFO 

Joe Seikel has been an integral part of Octane Environmental’s leadership team as the Chief Financial Officer since he joined the company in 2017. In this role, Joe oversees all aspects of the company's accounting, finance, FP&A, treasury, tax, and related financial functions, providing strategic analysis and guidance to all of the company’s stakeholders. He is also deeply involved in the operational, strategic, and administrative functions of the management team. Prior to his tenure at Octane, Joe was a Manager in PwC’s Capital Markets & Accounting Advisory Services group, where he advised clients on various financial and regulatory reporting aspects spanning the deal spectrum. He graduated summa cum laude from Albion College with a bachelor’s in Economics and Management, emphasizing accounting, and is also an inactive CPA. In his spare time, Joe enjoys reading, running, yoga, and playing with his children.

Director of Sales & Marketing

With over 20 years of diverse experience in the oil and gas industry, Marshall Fife brings deep industry insight and proven leadership to his role at Octane Environmental. He began his career in the service field, later founding and operating a successful oil and gas safety supply business. This entrepreneurial background shaped his strengths in customer relations, operational strategy, and team leadership. At Octane, Marshall leads the management team in spearheading business development initiatives nationwide, forging and nurturing client relationships across both traditional oil and gas sectors as well as the rapidly expanding biogas market. His hands-on leadership style, combined with a results-driven mindset and approachable nature, make him a trusted partner to clients and a valued leader within the company’s environmental services. Outside of work, Marshall enjoys fly fishing, bow hunting, and spending time outdoors, reflecting the same passion and energy he brings to his professional endeavors

Director of Renewable Energy

Manager Danny began his career in the oilfield on the frac side and steadily worked his way up to become a frac engineer with nearly two decades of hands-on experience. Over the past 19 years, he has overseen multiple crews across the oil and gas industry, playing a vital role in building well sites, laying rig and frac pads, driving heavy haul equipment, and constructing aboveground storage tank (AST) systems. His career has been marked by a strong commitment to environmental services, prioritizing containment measures to protect the surrounding ecosystems on every project. As a key member of the leadership team, Danny possesses a deep understanding of frac engineering, logistics, and site operations, bringing a wealth of field-tested knowledge to every job. His management team values his leadership style, which is grounded in experience, precision, and a relentless work ethic. Outside of work, Danny is a devoted family man who enjoys spending time with his wife, kids, and beloved cats. He’s also a long-distance target shooting enthusiast and an avid motorcycle rider. A proud Harley owner, Danny embraces the open road and the freedom that comes with it. "Hard work is the key to success. I pride myself on outworking people half my age."

Director of Industrial Cleaning

With over 12 years of experience in the oil and gas industry, Ernie Rush brings a wealth of operational expertise to Octane Environmental as a key member of the management team. As a seasoned Operations Manager, Ernie specializes in vac truck operations, industrial pressure washing, and safety leadership — areas critical to the success of high-demand fieldwork and environmental services. Ernie is known for his calm demeanor under pressure, particularly in emergency situations, where his clear-headed decision-making ensures safety and efficiency. His reputation for strong leadership within the leadership team, timely project completion, and managing large teams effectively makes him a cornerstone of Octane’s field operations. Beyond work, Ernie is deeply committed to his community. He coaches youth wrestling and girls’ softball, and actively participates in the local 4H program and Junior Livestock Association. His passion for helping kids shines through in all his volunteer work. At the heart of it all is his family — Ernie values quality time with them above all else.

Director of Safety & Compliance

Eric Eddy brings over 25 years of executive leadership experience across the energy sector and corporate environments, with a strong track record of driving operational excellence, safety performance, and strategic growth in complex, high-demand industries.

At Octane Environmental, Eric leads and reinforces the company’s safety culture—ensuring that every project, team, and process is aligned with the highest standards of compliance, accountability, and field execution. His leadership is rooted in real-world experience, combining strategic oversight with a hands-on understanding of operations in dynamic environments.

Throughout his career, Eric has held senior leadership roles across both public and private organizations, overseeing diverse portfolios that include upstream and downstream energy operations, renewables, and corporate services. He has successfully led multi-business units across North America and globally, navigating market shifts, regulatory demands, and evolving technologies while consistently delivering results.

Eric’s leadership is defined by his ability to build high-performing teams, mentor emerging leaders, and create a culture where safety, performance, and continuous improvement drive success. He has managed complex P&L structures and large-scale operations, always with a focus on long-term value and sustainable growth.

A trusted voice among leadership teams and stakeholders, Eric brings a disciplined, forward-thinking approach that strengthens Octane’s commitment to protecting people, projects, and the environments in which it operates.

Eric holds a degree in Power Plant Technology from Bismarck University. Outside of work, he manages real estate investments and enjoys spending time with his family.

Director of Business Analysis

With over 13 years of experience in the energy sector, spanning oil, gas, and environmental solutions, Matt McDaniels brings a strong foundation in business and market analysis to Octane Environmental. Known for his sharp industry insight and client-first approach, Matt delivers strategic, cost-effective solutions tailored to complex project demands—helping clients execute with confidence and efficiency.