Leadership Team

Dan Koharko

CEO – Daniel N. Koharko has served as the President/CEO of Eminess Technologies since 2006. Under his leadership, Eminess has achieved a strong track record of growth in Eminess’ global footprint, product lines, markets served and resources to service the global Surface Finishing Market. Dan’s career spans over 25 years in various Global Executive roles in Marketing, Sales, Technology, Engineering and Operations for market leaders such as Hughes Aircraft Company, Nalco Chemical Company, Rodel and the Rohm and Haas Company (now a part of Dow Chemical Company). Previous to Eminess, Dan served as Executive Vice President of Marketing & Technology for Rohm & Haas’s CMPT business.

Originally from Indiana, Dan maintains a degree in Aeronautical & Astronautical Engineering from Purdue University and currently resides in Scottsdale, AZ.


Scott B. Loncki

Chairman and Founder - Scott B. Loncki is the Chairman and Founder of Eminess Technologies.  A seasoned International business professional, Scott founded Eminess in 2001 after a 15 year career at Rodel, Inc.  Scott’s leadership and vision grew Eminess from a small regional distributor to its current state as a global supplier of electronic materials.  Scott’s background includes leadership and executive roles in all key functional including research, operations, engineering, marketing & sales and General Management.  He additionally was responsible for international operations in Asia and Europe.  Prior to Eminess, Scott’s last roles at Rodel/ Rohm and Haas were Executive VP of CMP (Chemical Mechanical Polishing), Chief Strategy officer and Global Director of the $1.2B MOSAIC program designed to integrate the portfolio of Rohm and Haas electronic materials products.  Originally from Wilmington, DE, Scott maintains an undergraduate degree from the University of Delaware and an MBA from Duke University’s Fuqua School of Business.  Scott currently lives in Paradise Valley, AZ with his wife, Sara, and children Scott and Margaret.


Mitzi Brennan

VP Sales / Marketing / Tech Service – Mitzi comes to Eminess with a diverse background. She has 30 years selling experience and 15+ years of management experience, most recently at a Fortune 500 company. Her experience includes the ability to build exceptional sales teams and leading them through change. Mitzi also has experience managing distribution networks and businesses. She has the ability to analyze markets, targeting areas of growth and developing sales strategies to attain goals. She is also trained on process improvement and holds a Six Sigma Green Belt. Mitzi has a BS in Business Administration from Butler University.


Robert “Bob” L. Mervich

VP – Global Supply Chain Operations – Bob is responsible for Eminess’ global supply operations and is also the North Carolina Site Manager. His career spans nearly 20 years of industry experience with leading Manufacturing Organizations, Supply Chain Management, Engineering, and Business Development/Startup. Bob has worked for semiconductor and electronics industry leaders such as Wacker-Siltronic, SUMCO and the Dow Corning Corporation where he developed a diverse background and expertise in silicon and silicon carbide wafer and Epi products and processes which includes an integrated knowledge of these supply chains. Bob has a B.A.S. in Manufacturing Administration – Industrial Engineering and a M.A.S in Engineering Management.


Angelo Di Nardo

General Manager Europe - Angelo has over 20 years of marketing and sales experiences in various surface technology industries. He has been with Eminess since Sept 2011 and was brought on board to lead, support the merge of the activities of our former distributor for the Europe, Middle East & Africa region and develop our important own footprint in this region. He has a proven global leadership track record of building up markets, establishing long-term relationships working directly with industrial end-users and global acting customers and managing distribution networks. Combined with the affinity to coordinate and accomplish comprehensive project developments, Angelo holds a major degree of the Swiss Federal Management School Institute with specialization on Marketing and Sales.


Samir Sleiman

Business Intelligence Director – Samir Sleiman has over 25 years of successful global management experience in a variety of industries including software, manufacturing, semiconductor and specialty chemicals. His diverse background includes Product Management, Chief Information Officer of a multi-national company, entrepreneur and Professor of Business and Information Technology.

Samir holds B.S. and M.S. in Computer and Informational Science, College of Engineering from The Ohio State University. He also holds a MBA Leadership Certificate from the Thunderbird School of International Management.


Karen Miles

Controller & Global HR Manager – Karen’s diverse experience in the areas of Accounting and Human Resource Management has spanned nearly 20 years in a variety of technical industries. Having been with Eminess since its inception, she has been instrumental in establishing the company’s financial and personnel infrastructure to help position Eminess for continued future growth. Karen holds a B.S. in Accountancy from Arizona State University.


Terry Knight

Technical Services Manager - Terry is a true industry veteran with over 25 years of experience in the Silicon Wafers, Disc Drive, CMP and Optics industries. His background includes 8 years of equipment and process experience at a major polishing and CMP equipment manufacturer, where he was the Director of Engineering Services. Terry’s acknowledged expertise includes process knowledge, process optimization and process recommendations for several of the manufacturing steps from Slicing to Final polish for substrates, and device & optics applications. Terry holds a B.S. in Electrical Engineering from Arizona State University.


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