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Mark began his career with Janotta & Herner in 1995, serving as Vice President and Project Manager of many high priority jobs. Prior to his time with our company, he held Engineering, Project Management and Estimating positions for a local commercial/industrial design-build company. In 2011, Mark decided to change gears focus on investigating and repairing existing structures as a Senior Associate with a global firm of Engineers, Architects and Materials Scientists. As of early 2018, Mark has returned back to JHI Group Inc. as President and CEO and now oversees management of all three business units. Mark is a registered Professional Engineer in four states and has obtained bachelor degrees in both Civil Engineering and Construction Technology.

Patti Anderson is the Corporate Treasurer of the JHI Group of Companies, and is also the Office Manager at Janotta & Herner. She has been part of the Janotta & Herner Team for over 28 years and has worked in almost every aspect of accounting during her career. When asked what she enjoys most about working with the JHI Group, she will tell you that the people and work atmosphere is what truly sets the company apart. In her free time, Patti enjoys spending time with her family and enjoys being outside.

Jason Ott is our Vice President of Construction Operations and is a vital part of our building process. With countless industrial certifications and a construction knowledge spanning over 30 years, he is Janotta & Herner’s go-to problem solver. If a project presents a tricky situation, Jason is the one who comes up with a solution. Some of his favorite projects at Janotta & Herner are some of our most unique, such as lifting a car to the top floor of Firelands Regional Medical Center in Sandusky or replacing a 120-year- old Church steeple in Norwalk. Jason believes that our ability to complete a wide variety of projects, both big and small, is unique and is what makes Janotta & Herner such a great company to work for.