• Co-author of one of the first books written about bitcoin, "What's the Deal with Bitcoins?"
• Co-author, "Cryptoassets: The Innovative Investor's Guide to Bitcoin and Beyond"
• Managing Partner with Doyle Capital Management, a venture fund that invests in the cryptoasset and blockchain sectors
• One of the first financial professionals to receive certification in bitcoin and blockchain technology from the Digital Currency Council

Jack Tatar is a former writer for The Balance who covered investing and bitcoin. He's also written extensively on retirement.  

Tatar is currently Managing Partner with Doyle Capital Management, which invests in early-stage companies in the cryptoassets arena. He is also a contributor to Forbes, editing the newsletter, "Forbes CryptoAsset & Blockchain Advisor,"  and is the Chair of the Cryptoasset Working Group for the Wall Street Blockchain Alliance. He was a licensed financial advisor for many years with a large wirehouse wealth management firm.

Tatar has authored or co-authored a number of books, including "What's the Deal with Bitcoins?" "Cryptoassets: The Innovative Investor's Guide to Bitcoin and Beyond," "Safe 4 Retirement: The 4 Keys to a Safe Retirement," and "Having The Talk: The Four Keys to Your Parents' Safe Retirement."