Jack is co-author with Chris Burniske of “Cryptoassets: The Innovative Investor’s Guide to Bitcoin and Beyond” (McGraw Hill, 2017). Jack is Managing Partner of Doyle Capital Management which is an early stage investor to companies involved with transformative technologies. He’s also an angel investor and advisor to start-ups in innovative growth companies and is an author of retirement and finance books.
Jack’s work in the Retirement space has led him to become a leading columnist and RetireMentor on Marketwatch.com writing on the latest news and trends regarding retirement. Author of numerous books on retirement including “Having The Talk: The Four Keys to Your Parents’ Safe Retirement” which focuses on the vital discussion between adult children & their parents about retirement and later life issues. His bestselling first book, “Safe 4 Retirement:The 4 Keys to a Safe Retirement” takes a holistic approach to retirement. Focusing not just on financial matters for retirement, this book explores the 4 Keys to a Safe Retirement: Financial Preparedness, Health & Wellness, Mental Attitude and Staying Involved! He’s also written widely about bitcoins including the best-selling “What’s the Deal with Bitcoins?” (co-authored with Ryan Lancelot).