GMI - Key Persons


Aaron Barr - President

Job Titles:
  • Member of the Board of Directors
  • Member of the Executive Team
  • President
Aaron Barr - President: Aaron has experience in product development and manufacturing in the medical device arena. His background includes engineering and engineering management at both Cook Inc. in Bloomington, IN and Hologic in Indianapolis (formerly Suros Surgical Systems). Aaron is well versed in Design Controls, Risk Management, and Project Management. In addition, he has experience in a broad range of areas including quality systems, FDA and ISO audits, field evaluations, and sales and clinical training. Aaron holds a Master's degree in Biomedical Engineering from Rose-Hulman Institute of Technology.

David Evans

Job Titles:
  • Member of the Board of Directors
David Evans: David has experience in Tier 1 contract manufacturing of complex sub-assemblies and medical devices. His background includes many aspects of tooling and assembly, lean manufacturing, FDA compliance, ISO certification, many layers of quality, continuous improvement, and production control. Over the years, he was responsible for Governance as well as P&L responsibility for several contract manufacturing business units in Indiana, France and China. David holds a BBA from Northwood University.

Fred McWilliams - Founder

Job Titles:
  • Founder
  • Our Founder
: Fred began his career in 1972 as a machinist for Radio Component Corporation and set-up person for Startronics, Inc. Fred's experience and acquired knowledge led him to assume the role of Manufacturing Manager for Delta Electronics in 1984, and then Director of Operations for Specialty Connector Inc. in 1989. In 1990, with many years of experience in the machining industry, Fred founded Greenwood Machine, Inc. which later became GMI Corporation in 2013. Fred retired from GMI in 2020. At the same time, he transformed the corporate structure to an ESOP, a company now owned by its employees. In this relatively small amount of time, GMI has become a leader in providing high-precision RF connector components along with precision medical device components and assemblies. Our founder, Fred McWilliams, began his entrepreneurial journey in 1990 with a wealth of personal skill and a love for high precision. His start-up was called Greenwood Machine, Inc.

Jeffrey W. Osler - CFO

Job Titles:
  • Director of Finance
  • Member of the Executive Team
Jeffrey W. Osler - Director of Finance: Jeffrey initially began his professional career in Golf Course Management and Development in Hilton Head SC before relocating to Indiana in 1999 to join a private equity group specializing in small to middle market manufacturing companies. He has spent the last 20+ years in accounting and financial industries regarding both public and private sectors. Jeffrey brings years of experience serving in an executive leadership role through functional management to include financial reporting and analysis, budgets/forecasting, management reporting, billing, accounts payable, accounts receivable, payroll and expense. Prior to joining GMI in March 2020, he served as Controller for a $20MM manufacturing company and $7MM warehouse and logistics company.

Jodi Reeder

Job Titles:
  • Member of the Executive Team
  • Director of Supply Chain
Jodi Reeder - Director of Supply Chain: Jodi has supply chain experience including roles in cost accounting, data analysis, material controls, and as the department manager. Her early career experience was focused on price variances and inventory reconciliations but soon expanded into a material planning capacity. Jodi has led successful efforts which resulted in significant cost savings through the implementation of lean principles. Jodi's career path led her to hold important management roles within the supply chain field in the electronics and medical device markets. She also continues to effectively lead the GMI organization through an ERP implementation by capitalizing on her valuable skillset and energies. Jodi holds a Certification in Production and Inventory Management with APICS.

Joe Mansfield

Job Titles:
  • Member of the Board of Directors
Joe Mansfield: Joe began his career in public accounting with Price Waterhouse as part of the audit division where he worked with small and large companies. This diverse background of clients led him to spend the rest of his 30-year career as a small business entrepreneur. He has been a co-founder, owner, and partner in a variety of service and manufacturing businesses including machining and assembly operations. He has extensive experience in financial and operational management, business negotiations, acquisitions, and organizational structuring and development. He continues to be active in the small business community as a volunteer with the SCORE organization. Joe received his bachelor's degree in accounting from Ball State University and became a Certified Public Accountant shortly thereafter.

Keith Koester - COO

Job Titles:
  • Director of Operations
  • Member of the Executive Team
Keith Koester - Director of Operations: Keith has experience in manufacturing, including CNC setup and programming and machining in the plastics and electronics industry. His career then moved into applications engineering and service at Tornos Technologies, a manufacturer of Swiss-type turning centers. Keith's growth continued as he became the technical sales representative for the regional distributor of Marubeni-Citizen products, the largest Swiss-type lathe manufacturer in the world; Keith provided sales, application, and service support for Indiana and Kentucky. The decision to get back into manufacturing and apply his knowledge was a perfect fit for GMI when he became our Operations Manager in late 2010. Keith currently manages 3 shifts that are operational 24 hours a day 6 days a week and a lights off operation during the weekend.

Michael S. Miller

Michael S. Miller, CEBS: Michael has been in the retirement planning industry since 1989 working with large and small companies in a variety of services. Michael's experience spans defined benefit, defined contribution and nonqualified retirement plans with a specialty in ESOPs. He uses his knowledge of the law to help companies design retirement plans that further the goals of his client companies while protecting employee benefits through continued monitoring of the compliance and administration of their plans. Michael brings this unique approach to his ESOP clients when serving as trustee. Doing so, allows clients to benefit from high level advice, as well as "in the weeds" consulting related to the financial, regulatory and administrative aspects of the plans. He continues to be a resource to his peers and presents pension topics for organizations at the local, regional and national level. Michael is a graduate of Emory University and earned the Certified Employee Benefit Specialist, CEBS, designation from the Wharton School of the University of Pennsylvania.

Tom Burich

Job Titles:
  • Member of the Executive Team
  • National Sales and Marketing Director
Tom Burich - National Sales and Marketing Director: Tom has medical device, pharmaceutical, home healthcare services, medical internet and healthcare products sales and business development experience. He is well versed in business strategy and tactical execution, sales, sales leadership, sales training, market development and management, and international business. Tom has extensive experience developing successful distributor networks in both the domestic and international marketplaces. He most recently completed a successful stint serving as the COO of NuvoMed Inc., a medical device startup based out of Seattle. Prior to that he served as Director of International Business for the breast biopsy division at Hologic, Inc. Tom lead the introduction of Hologic breast biopsy devices to the international market; growing revenues from $0 to over $14 million in less than 6 years.