Spencer Aloisio began working for the Slingerland Drum Company in 1969 and stayed with the company until 1980. During that time he worked on the selling, promoting and marketing of the popular percussion products. Spencer worked his way up from factory employee into the office as sales manager and then as Vice President of Sales and Marketing. The company’s owners changed a few times during that time and Spencer worked hard to keep consistent customer care and dealer relations during that time. Spencer later worked within the band and orchestral segment of the industry before becoming the secretary and treasurer of the Chicago Chapter of the Musicians Union.