SIGMA CORPORATION
Donald Muller, CPA, MBA, serves as the Chief Financial Officer of SIGMA Piping Products [2019], LLC since June 2019 and has held the position of Controller at SIGMA CORPORATION since July 2014. Prior experience includes a role as Senior Manager in the Audit Department at EisnerAmper LLP from January 2005 to July 2014, concentrating on audits for privately held companies, non-profits, and benefit plans. Notable accomplishments include leading a due diligence team for a $15 million west coast acquisition, managing consolidations for multiple subsidiaries, and preparing accounting research for a significant $65 million acquisition. Donald Muller earned an MBA in Accounting from Monmouth University and a BS in Hotel Administration from the University of Nevada-Las Vegas.