Mr. Markoff is a native of Los Angeles, California, and a 1964 graduate of Los Angeles City College with an Associate of Arts degree. His affiliations include: the precious metals and numismatic business for 50 years (1954-2005); Chairman and CEO of A-Mark Financial Corporation, a Santa Monica-based financial services company he founded in 1965 (originally named A-Mark Coin Company), that purchased the Redfield Silver Dollar hoard; the A-Mark Foundation, a private foundation he founded in 1997 that became the parent of free searchable databases and other nonpartisan information covering interesting and important social issues and history, such as sites on George W. Bush, Barack Obama and Special Investigations Involving US Presidents Since 1973. In 2004, Mr. Markoff helped found A-Mark Entertainment, a company he co-chairs; that year he also founded ProCon.org, a 501(c)(3) public charity promoting critical thinking that had been or is being used by over 10,000 schools in over 90 countries. [ProCon.org was merged into Encyclopædia Britannica on 5-29-2020]. In 2018, Mr. Markoff founded SexEd.net, a website giving straightforward, sourced information about sex and sexually related issues. In 2020, Mr. Markoff launched SecondAmendment.org, a website that contains many of the pieces of the puzzle that make up our individual rights to arms. Markoff’s first published book, The Case Against George W. Bush, became available November 2020. Markoff was interviewed by Ralph Nader on the Ralph Nader Radio Hour about his book “where he dispassionately lays out the three major war crimes the former president committed by invading Iraq.” HANDBOOK – The First 100 Years Of The ACLU: A Compendium Of Advocacy Before The United States Supreme Court, Markoff’s second book, became available January 2023. It received a Los Angeles Book Festival runner up award in the Wildcard Category in April 2024; Misfire: The Supreme Court, The Second Amendment, Our Right to Bear Arms, Markoff’s third book, became available May 14, 2024. Markoff’s fourth work, the three-volume set of The First 100 Years Of The ACLU: A Compendium Of Advocacy Before The United States Supreme Court, became available September 16, 2025.