Schaefer Brush Manufacturing, LLC is pleased to announce that its Board has appointed Gonzalo Martinez as President and Chief Executive Officer effective December 1, 2021.  “We are fortunate to have someone with Gonzalo Martinez’s background and experience to run Schaefer Brush. We are confident that he will strengthen channel partnerships and drive new growth and profitability,” says Steve Balistreri, Managing Director, Blackthorne Partners. Schaefer Brush is a portfolio company of Blackthorne Partners, a Milwaukee-based private investment firm.