• ISO-13485-2016
  • ISO-9001-2015
  • DD2345
  • AS9100-2016
  • ITAR Certified
  • IPC Validation Services Recognized

About Us

Management Team

Zentech has an experienced workforce with a capable and talented leadership team. We have provided complete solutions for hundreds of OEM products and can support all your requirements from product conception through all phases of product fulfillment.

Mike Buseman, President & CEO, joined Zentech in April 2023, and is responsible for the customer experience at Zentech and provides strategic direction for the company. Mike is a seasoned leader with over 30 years of experience in electronics contract manufacturing (Tier 1 EMS sector), component distribution, and the technology sector. Mike holds a MBA from the University of St. Thomas (MN) and a BS in Mechanical Engineering from South Dakota State University.

Jason Glass, Chief Financial Officer, is responsible for analysis of acquisition opportunities, integration of acquired businesses, managing the financial planning and analysis for the corporation, strategic planning, annual operating plan creation, forecasting and variance analysis. Jason has over twenty years of financial and operational experience in the Tier 1 EMS sector, most recently serving as VP of Finance and Corporate Director of Financial Planning and Analysis (FP&A).  Prior to EMS, Jason served in several financial roles with Lockheed Martin and Unisys. Jason has a BS in Accounting from the University of Alabama and a Master of Arts from Liberty University.

Waleid Jabal

Waleid Jabai, VP of Technology & Quality, is responsible for Quality and Manufacturing Engineering at Zentech. He has over 15 years experience in manufacturing and prior to joining Zentech had extensive experience in the printed circuit board fabrication industry as a Quality Engineer and Quality Manager. Waleid has a BS in Electronics Engineering Technology from Southeastern Oklahoma State University and has been with Zentech since 2004.

Charlene Wright

Charlene Wright, VP of Finance, is responsible for all Finance and HR functions at Zentech and has been with the company since its inception in 1998. Prior to joining Zentech she spent more than 15 years in public accounting as a CPA. Charlene received her BS in Accounting from University of Baltimore and her MBA from Salisbury State University.

Michael Seltzer
Michael Seltzer, Chief Commercial Officer,
is responsible for leading the Go-to-Market team, helping to establish a best in class customer experience and providing market strategies and direction. Michael brings with him a diversified work experience in both the EMS & OEM space. Michael has 35+ years of experience in Aerospace & Defense and high reliability manufacturing in disciplines ranging from Program Management, Operations Management & Supply Chain. . His previous roles include VP of Sales, VP of Sales and Marketing and General Manager among others. Michael has a Technical Degree in Electronic Technology and a Bachelor of Science in Business Administration.
Clint Fleming

Clint Fleming, Chief Information Security Officer, is responsible for compliance with government and customer regulations and certifications that apply to security and systems operations. Clint brings over 30 years of experience in Engineering Support Services, including PCB Design, Mechanical Design/Modeling, Configuration Control, Design for Manufacturability, and IT. He has been with Zentech since 2006 holding positions of Program Manager, Dir. Engineering Programs and Dir. Supply Chain, as well as managing all business systems and IT related activities.

John Lutostanksi, VP & General Manager, Zentech Bloomington, is responsible for overseeing all operations in Bloomington. John has spent the past 30+ years in the EMS industry with Tri-onics Inc. (IL), Surface Mount Technology Corporation (WI), as well as his own EMS sales representative company. John has held positions that include Administration Mgr., VP Sales, Chief Operating Officer, Customer Development Manager, and President & CEO.  John served on the IPC EMS Management Council for well over 20 years and has a well-rounded EMS business acumen.  John has a B.S. in Finance from Millikin University in Decatur, IL, and an MBA in Marketing from Webster University in St. Louis, MO.


Tuvia Barak, Senior Advisor and Operating Partner joined Zentech in 2019. He began his career in the high reliability electronics industry 30+ years ago and has since then developed strategic alliances and partnerships with some of the largest aerospace and defense companies. In 1993, Mr. Barak established his own marketing and consulting practice, advising U.S. and international companies on business development, marketing strategies, technology assessment, and mergers and acquisitions in the aerospace and technology fields. Tuvia is a Venture Partner with Lux Capital, and is is a member of the Board of Directors of Skyline Software, WhiteCanyon Software, Weatherbell Analytics, and Toonimo and special advisor to Astra Capital Management, and Heller Industries. His many advisory roles have included The Carlyle Group, Boeing, L-3 Communications, ITT, General Dynamics, AAI/Textron, BAE, DRS, Elbit Systems, United Defense, Rockwell Collins and Raytheon. Tuvia has a M.Sc. in E.E. from the Technion Institute of Technology, Israel.







Zentech Manufacturing, Inc. is a highly certified, military focused, electronics contract manufacturing small business offering PCB (Printed Circuit Board) Assembly and PCB Testing since 1998. Additional certifications include IPC 1791, IPC-A-610 QML, AS9100 and ITAR Registered.

Zentech operates three facilities totaling nearly 170,000 square feet in Baltimore, MD, Richardson, TX, and Bloomington, IL.  All are ISO:9001 and AS9100 certified and house equipment and controls to handle the latest printed circuit board (PCB) assembly technology. Our equipment, systems and processes are optimized for flexibility in building complex products that have medium volume/high mix requirements.

We thrive when our customers thrive, so we make every effort to help ensure the success of our customers. We provide our customers with a level of production/manufacturing engineering support that is second to none. Our customers provide the product and market expertise while we provide the production expertise. We have found that this partnership relationship allows our customers to thrive and grow even when competing against lower-cost overseas competitors.

Zentech offers high speed, precision assembly of printed circuit boards. We provide a full range of  Assembly and Testing Services.

Zentech’s primary markets are Defense and Aerospace (75%), Medical (15%) and Industrial (10%).


We provide a great product at a fair price and do so in an ethical and transparent manner. Understanding that there are many providers in our space we strive to provide a customer experience that is unique and satisfying.


We have well defined processes and preferred methods for executing a technical program. However you are the customer and we customize each program to meet the unique and specific requirements of the customer.

Open communication and pricing

We believe in frequent and open communications. We share all cost drivers and work as a team with our customers to deliver the best value.

Lasting relationships

We look for and foster longer term relationships. We invest in our customer relationships and allocate resources to maintain them.

Quality and Reliability

We strive to provide the highest level of service in a form that promotes long term reliability.

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