Randy Brunschwig, CEO and President of Excell & Nissco Buying Groups Announces Retirement Randy Brunschwig, CEO and President of Excell & Nissco Buying Groups Announces Retirement Randy Brunschwig, CEO and President of Excell & Nissco Buying Groups Announces Retirement Randy Brunschwig, CEO and President of the Excell and Nissco buying groups, announced his retirement, after 18 years of leadership and strong growth. Randy Brunschwig, CEO and President of Excell & Nissco Buying Groups Announces RetirementStrata GPO2022-08-11T12:42:04-06:00