Grogan has an eclectic background as a technology company attorney, executive, and investor. He has served in senior executive and legal roles at public, non-profit, and emerging technology businesses, in industries including SaaS, semiconductors, domain names, and biomedicine, with funding sources ranging from angel investors to venture capital to private equity to public markets. He has shepherded enterprises through mergers with public companies, including Oracle and IBM, as well as acquisitions by businesses headquartered in Israel, India, and Canada. Allen co-founded a biomedical startup and guided it through regulatory approval and the successful sale of its assets. Earlier, while engaged in the private practice of law, his clients included AOL, Netscape, and numerous pioneering software and online ventures, as well as venture capital firms and individuals and companies in the media and entertainment industries. He co-founded and served as editor-in-chief of the monthly legal publication The Computer and Internet Lawyer. He has been a speaker at conferences and events sponsored by UCLA Law School, USC Law School, the Practicing Law Institute, and the Computer Law Association. For decades he has worked with and advised venture capital and private equity firms regarding investments in technology firms.