He is the fifth generation of his family to lead S. C. Johnson & Son, Inc of Racine, Wisconsin, as chairman and CEO.
[2] He joined the family business in 1987 as a marketing associate and served in a number of roles.
His extended family is the named benefactor of the Samuel Curtis Johnson Graduate School of Management at Cornell University.
On 28 January 2017, he and the SC Johnson company donated $150 million to Cornell to name the SC Johnson College of Business, which comprises the previously endowed Samuel Curtis Johnson Graduate School of Management, the Charles H. Dyson School of Applied Economics, and the School of Hotel Administration.
[3] Johnson was married to Dr. Susan Lochhead, a former emergency room physician, for 13 months.