Daniel Fylstra is founder and CEO of Frontline Systems Inc., a software company in advanced analytics and decision intelligence, creators of the Solver in Microsoft Excel. Early in his career, he was heavily involved with Dan Bricklin and Bob Frankston in the creation and marketing of VisiCalc, the first electronic spreadsheet, as co-founder of Personal Software, later renamed VisiCorp. He has long been active as an angel investor and venture fund investor; his interest in longevity research dates from 1999 when he served as seed investor for Dr. Bill Andrews’ work on telomeres and telomerase, and as startup CEO of Sierra Sciences, Inc. “Always learning”, he has been a named inventor in patent applications related to cancer and telomerase, and risk analysis for machine learning. He earned a BS in EE & Computer Science from M.I.T. and an MBA from Harvard Business School.