| Rodnay Zaks | |
| Honorific Suffix: | PhD |
| Birth Date: | 10 February 1946 |
| Birth Place: | Paris, France |
| Occupation: | Book author, editor |
| Language: | English |
| Alma Mater: | École Centrale Paris University of California, Berkeley |
| Genre: | non-fiction |
| Subject: | Computers, APL, microprocessors |
| Notableworks: | Programming the Z80 Programming the 6502 |
| Spouses: | --> |
| Partners: | --> |
| Years Active: | 1970–present |
Rodnay Zaks (born 10 February 1946, Paris) is a French-born American author of many books on computer programming, including the seminal Programming the Z80[1] and Programming the 6502.[2] He is the founder of independent computer book publisher Sybex and was its president and chief executive officer (CEO) until its takeover by John Wiley & Sons in May 2005.
Zaks has an engineering degree from the École Centrale Paris and a master's degree from the University of California, Berkeley, where he also was the third person to receive a Doctor of Philosophy (PhD) from the then new computer science department. He began a career in training engineers and managers in the then new microprocessor technology, and subsequently founded Sybex in 1976.
Zaks has been a director of Association for Computing Machinery's (ACM) Special Interest Group on Microarchitecture (SIGMICRO), and founded the non-profit organization EUROMICRO.
An early publication of Zaks' from Sybex was A microprogrammed APL implementation[3] which includes the complete source code listing for the microcode for a Digital Scientific Corporation Meta 4 microprogrammable processor implementing the programming language APL.