Mark Bonessi - President

Mark Bonessi Mark Bonessi joined Great lakes Wellhead, Inc. in 2013. Following his graduation from Allegheny College in Meadville, PA, Mark has held operations and leadership positions in a variety of industries, including; Rubber/Tire Production, Aluminum Fabrication, Broadband Switch Equipment, and most recently, Consumer Packaged Goods. At Great Lakes Wellhead, Inc. Mark leads Inside Sales, Procurement, Inventory management, Human Resources and Payroll.

Eric Rosema - VP of Engineering / IT

Eric Rosema Born and raised in Northern Michigan Eric grew up working with animals on a small country farm. Eric started a career in Information Technologies early on before he graduated from Traverse City West High School in 1998. Focusing on networking and infrastructure Eric became an enthusiastic Unix/Linux user and systems administrator. Eric developed an appreciation for design and engineering. His interests in this area led him to study drafting and construction. In 2002 Eric joined his father at Great Lakes Wellhead, Inc. Working as a field and shop hand Eric quickly gained the knowledge necessary to lead and train additional hands. His duties quickly evolved to an engineering/design and management position. Eric has worked on countless wells in the mid west basin as well as across the United States. Eric has many hobbies that include hunting, fishing, scuba diving, skiing and mountain biking. Eric is a loving husband and a proud father of two children. Eric is also a FTC robotics coach and loves to work with local children teaching the importance and value of STEM. He enjoys volunteering his time assisting local schools with technology and infrastructure support.

Kyle Fitzpatrick - VP of Operations and Sales

Kyle Fitzpatrick Kyle Fitzpatrick joined the Great Lakes Wellhead, Inc. Team in 2009 as a field service hand out of our Michigan facility. Kyle's educational background in Business Management along with his ability to learn quickly made him an obvious choice for our Management team. Kyle has held the positions of Field Service, Pennsylvania Branch Manager & Ohio Branch Manger.

Bruce Lautner - VP of Service and Operations

Bruce Lautner Starting his oilfield career in 1985, Bruce is what you would call a true oilfield veteran. Over the course of his career Bruce has worked all over the United States for companies like Westwind Oilfield Services and Equipment Renewal Corporation. With vast experience, practical knowledge and hands on skills Bruce has successfully carved a niche for himself in the mid west oilfield that is unprecedented. Having worked with nearly every brand and model of valve and actuator, Bruce is considered an expert in valve and wellhead maintenance and repair. Over the course of his oilfield career Bruce has worked on nearly every well in Michigan, and can, to this day tell you all about them. Bruce is a proud family man with a wonderful wife, three amazing daughters, and a grandchild. Bruce enjoys supporting local 4-H groups and wildlife organizations with countless hours of volunteer time as well as hunting all over the US and Canada.

Melissa Fitzpatrick - Director of Finance

Melissa Fitzpatrick Melissa Fitzpatrick joined the Great Lakes Wellhead team in 2014 as a financial accountant. Her educational background in Accounting and Finance from Central Michigan University, along with her managerial accounting experience in the hospitality industry have led her into the Oil and Gas industry.

Lisa Hernandez - Ohio Branch Manager

Larry Sinkler Jr. - Ohio Facility Manager

Zane Zebarth - Drilling and Service Manager

Ken Graybill - Frac and Service Manager

Lucas De Los Rios - Pennsylvania Branch Manager