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Quest Integrity’s management brings decades of experience in managing rapidly growing, technology-enabled and innovative service companies operating in some of the most demanding industry environments. Their collective philosophy is centered not upon simply meeting established service delivery standards, but on collaborating with our clients to better understand and then resolve their most complex asset integrity and reliability management problems –those challenges left largely unanswered by the commercial markets to date.

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Mr. Altenberg is Chairman of Quest Integrity. He specializes in managing rapid growth companies, with 30 years of progressive leadership experience in technology, manufacturing and sales-intensive environments. Throughout his career, Mr. Altenberg has successfully utilized entrepreneurial instinct and market discipline, and cultivated management teams to deliver sustainable value to customers and shareholders. He has served as the President and/or CEO of over 15 companies in a highly diverse group of industries including: energy services, petrochemical and chemical processing, plastics processing, construction products, machining services, automotive manufacturing, software, and management consulting. His experience includes business start-ups as well as mergers and acquisitions. Mr. Altenberg is best known for his technology-driven approach to redefining strategies, business models and markets


Mr. Ott is President and Chief Executive Officer of Quest Integrity. He has been involved with high-growth, industrial technology companies for the past 20 years as an investor, director, advisor and financier. His industry focus has included energy, automotive performance, software, process controls and NDT/E instrumentation. As a general partner at Gryphon Investors, he was responsible for managing the group's middle market-focused technology investment interests. Mr. Ott previously managed the west coast private equity effort and technology investments as a general partner at Deutsche Bank Capital Partners and prior to that, led the global convertible and equity-linked capital markets effort for Bankers Trust. He began his career as an engineer in the Operations Analysis group at Rockwell International's North American Aircraft. Mr. Ott holds a B.S. in Engineering and Operations Research from Southern Methodist University and an M.B.A. from the Amos Tuck School of Business at Dartmouth College.

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Mr. Papenfuss is Executive Vice President, Inspection at Quest Integrity. He has over 25 years of experience in the oilfield and pipeline service sectors, spanning all facets of operations and sales management. His experience includes global direction of products and services sales to pipeline operators and engineering contractors. Mr. Papenfuss also has extensive background in in-line inspection technology, covering both magnetic flux leakage and ultrasonic methods for National Oilwell Varco, Tuboscope and NDT Systems and Services.  He has led business development teams and has built and developed technology sales teams both domestically and internationally, which lends to his thorough knowledge of global natural gas and pipeline markets. Mr. Papenfuss extensively participates in inspection-related pipeline professional associations such as API, NACE, SGA, APIA and PPSA. Mr. Papenfuss joined Quest Integrity in 2006 to lead the pipeline inspection and assessment effort, including commercial development of InVista™ ultrasonic pipeline inspection technology with a focus on traditionally difficult or unpiggable pipelines.



Dr. Saunders-Tack is Vice President, Engineering Assessment for Quest Integrity. His background is in materials and corrosion engineering in the oil and gas industry. He earned his undergraduate and graduate degrees in metallurgy and materials, and a Ph.D. in fracture mechanics from the University of Birmingham in the UK. Dr. Saunders-Tack spent his early career with a power, oil and gas integrity management consultancy in the UK before joining MPT Solutions in New Zealand. He relocated to Singapore to expand the business to Southeast Asia. Dr. Saunders-Tack then joined Royal Dutch Shell’s Materials, Corrosion and Inspection team in Amsterdam, where he contributed to their worldwide asset integrity management initiatives for upstream and downstream facilities. He moved with Shell Global Solutions to Kuala Lumpur, Malaysia, where he became East Regional Manager for Mechanical, Materials and Integrity for the Project and Engineering Services division before joining Quest Integrity in 2010.


Mr. De Lorenzo is Vice President, NDT Tool Development for Quest Integrity. In the early '90s, he began his career working for a private firm specializing in developing custom instrumentation, primarily for the U.S. government’s military branches. He engineered custom measurement technologies to inspect M1 Tank Barrels, rifled tubing and ocean waves using laser profilometry combined with standing wave and environmental instrumentation. He continued with project management and lead engineering efforts to produce exclusive image and laser systems to track the movements of infantry, laser and motion control systems to inspect NASA rocket fuel cells, NRL rocket nuzzles and nuclear tubing. As an early member of Quest Integrity, he led the continued development and manufacturing of our laser measurement technology (LOTIS®), and UT based Furnace Tube Inspection System (FTIS™). He went on to develop the original reformer tube crawler system (MANTIS™), a hi-definition laser profilometery system (LOTIS-600), and the entire suite of InVista™ unpiggable pipeline inspection tools. Mr. De Lorenzo continues to manage the overall development, manufacturing and maintenance of Quest Integrity's prestigious NDT Tool Development Group.

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Ms. Kolovichis the Vice President, Advanced Engineering for Quest Integrity. Her career spans nearly 20 years focused on pipeline integrity management to the oil and gas industry. She earned her Bachelor of Science degree in mechanical engineering and began her career in engineering at a consulting firm specializing in pipeline integrity. Her experience includes technical execution of integrity projects related to defect assessment, management of threats, and inspection planning, and execution of business development strategies to provide solutions to the issues facing the industry. Ms. Kolovich has been an active participant in the industry through publications, industry presentations, and collaborative efforts with API and ASME. She is the current chairwoman of the ASME B31.4 committee. She joined Quest Integrity in 2018.

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Mr. Kessler is Vice President, Advanced Digital Imaging for Quest Integrity.  His career began in the United States Navy where he operated, maintained and inspected critical shipboard cryogenic and power generation systems.  He has more than 20 years of inspection planning and execution experience in the nuclear, fossil, chemical, and refining industries. Mr. Kessler also has extensive background in remote visual inspection technology and robotic tooling with Visual Inspection Technologies, EverestVIT and GE Inspection Technologies.  Mr. Kessler holds a B.S. in Business Management from Indiana Wesleyan University and an MBA from the Rubel School of Business at Bellarmine University.  He joined Quest Integrity in 2012.


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