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Davidsohn Global Technologies

Davidsohn Global Technologies
Industry	Finance
Founded	1955 (as Davidsohn Computer Services)
Founder	George Davidsohn
Headquarters	New York City, USA
Area served	Worldwide
Products	Financial Software
Website	www.davidsohn.com

George Davidsohn & Son, Inc. is a financial software firm, founded by George Davidsohn, now known as Davidsohn Global Technologies. It has been providing trade management systems, clearing and settlement systems, and credit and risk systems to Wall Street since 1956.

George Davidsohn started his career on Wall Street, at the age of 14, as an IBM punch-card clerk, while attending high school at night.^[1] At 18, Davidsohn was hired at Dean Witter where he helped create the first automated margin area, as well as creating and installing its first-generation computer system. He worked at Dean Witter until 1956, when he founded Davidsohn Computer Services.

The first company to do business with the fledgling firm was Spear, Leeds and Kellogg; after their trades went from an average of 2,500 to 300,000 per day, many other firms followed suit and established a relationship with Davidsohn Computer Services, making it the fastest growing supplier of technology services to the financial industry. In 1959, George Davidsohn created the first computerized margining system, and a year later, the company created the first Segregation Compliance, Stock Record, and Statement Information Systems. In 1963, the first automated trading system was also created by Davidsohn Computer Services, cementing its place in software innovation. The company was sold to Control Data Corporation in 1969. Following its sale, Control Data changed the name from Davidsohn to BTSI, which was later sold to Automated Data Processing (ADP). Though the software was no longer carrying the Davidsohn name, 98% of Wall Street was operating on Davidsohn-created technology at this time. ^[2]

While working at Control Data, Davidsohn founded George Davidsohn & Son, Inc. and continued inventing new computer systems. In 1973, Davidsohn himself left Control Data and formed "The Davidsohn Group", a subsidiary of George Davidsohn & Son, Inc. The "Enterprise System", the third generation complete Back Office System, including Clearing, Settlement, and Books & Records functionalities was developed in 1978 and was implemented in Wagner Scott Clearing Corp., Morgan Stanley and Smith Barney.

The '80s ushered in the start of personal computers, and with that, the threat of virus creation. In 1983, Davidsohn created VACCINE, the first known and commercially available computer virus software to combat this problem.

• Davidsohn Global Technologies Official Site