Jack Cotton Lee

National Securities Corp., a subsidiary of National Holdings Corp., is an international, full-service, independent brokerage firm with a diverse base of retail and institutional clients. National Securities was founded in 1947 in Seattle, Washington with the goal of providing a full suite of financial products and services to its registered representatives and clients. The firm and their subsidiaries are headquartered in New York City and Seattle and have a multitude of domestic and international offices that provide a broad range of securities brokerage, financial planning, and investment services, as well as corporate finance and investment banking services to corporations and businesses. National Securities' representatives are primarily independent contractors who operate their business with freedom and flexibility in advising their clients. The firm is a member FINRA/SIPC.

Northwestern University is a private institution founded in 1851 to serve the Northwest Territory, an area that now includes the states of Ohio, Indiana, Illinois, Michigan, Wisconsin and parts of Minnesota. Northwestern has three campuses

Spectrum Equity Management LP (Spectrum Equity) is an independent Private Equity firm founded in 1993 by Bill Peter Collatos and Brion Blackwell Applegate. The firm is headquartered in Boston, Massachusetts with an additional office in California.

General Atlantic LLC (General Atlantic) is a private equity firm founded in 1980 by Charles F. Feeney. The firm is headquartered in New York.

March Capital Venture Management Services LLC (March Capital) is a venture capital firm founded in 2014 by James W. Montgomery, Sumant Mandal and Gregory A. Milken. The firm is headquartered in Santa Monica, California.