After years in the planning stages, in 1996, Lowell co-founded Knowledge Universe with Michael Milken and Larry Ellison. In 2003, they became the sole owners of the company. In the United States, Knowledge Universe is the largest early childhood education company and operates under the KinderCare Learning Centers, Knowledge Beginnings, CCLC, The Grove School, Champions and Cambridge Schools brands. Internationally, it oversees early childhood education, K-12 education and post-secondary education programs and is headquartered in Singapore. Lowell continues to serve as vice chairman of Knowledge Universe Education and he is Chairman of Knowledge Universe Education Holdings Inc.