Gregory Grefenstette is a French–American researcher and professor specializing in computer science, particularly in artificial intelligence and natural language processing. Born on April 25, 1956, he serves as the chief scientific officer at Biggerpan, a company focused on developing a predictive contextual engine for the mobile web. Additionally, he is a senior associate researcher at the Florida Institute for Human and Machine Cognition (IHMC). His work contributes to significant advancements in the integration of AI with user experience in technology.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 122 days away.
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Gregory
watchful, alert
Read Full Gregory Name AnalysisApril 25, 1956 Facts
Generation Group
Gregory Grefenstette belongs to the Baby Boomers group.
Educated At: Sorbonne University | University of Paris-Sud | Université catholique de Louvain | University of Pittsburgh | Massachusetts Institute of Technology | Stanford University
Occupation: artificial intelligence researcher
Employers: Alternative Energies and Atomic Energy Commission | Naver Labs Europe | Inria Saclay - Île-de-France Research Centre | University of Pittsburgh
Astrology Analysis
Note: This birth chart is calculated using the date and place of birth, with the time set to noon (12:00 PM) local time. While this provides accurate planetary positions for most celestial bodies, the Ascendant (Rising Sign) and house cusps are not calculated since they require precise birth time. For a complete astrological analysis including houses and rising sign, please provide the exact birth time.
Ephemeris for April 25, 1956
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on April 25, 2025 | Secondary Progressions for April 25, 2025 |
|---|---|---|---|
| Sun | 5 Taurus 27 | 5 Taurus 44 | 11 Cancer 42 |
| Moon | 12 Scorpio 52 | 6 Aries 0 | 10 Taurus 20 |
| Mercury | 24 Taurus 14 | 8 Aries 50 | 24 Gemini 25 |
| Venus | 20 Gemini 25 | 27 Pisces 32 | 24 Gemini 32 |
| Mars | 6 Aquarius 49 | 3 Leo 13 | 15 Pisces 0 |
| Jupiter | 21 Leo 23 | 20 Gemini 20 | 29 Leo 7 |
| Saturn | 1 Sagittarius 46 | 27 Pisces 13 | 27 Scorpio 14 |
| Uranus | 28 Cancer 25 | 26 Taurus 2 | 1 Leo 19 |
| Neptune | 28 Libra 52 | 0 Aries 55 | 27 Libra 39 |
| Pluto | 26 Leo 7 | 3 Aquarius 47 | 26 Leo 50 |
| Rahu | 9 Sagittarius 57 | 25 Pisces 25 | 6 Sagittarius 18 |
| Ketu | 9 Gemini 57 | 25 Virgo 25 | 6 Gemini 18 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
Astrology Transits Analysis for Year 2025
Note: Multiple transits occurring in close proximity often signify a major event in a person's life.Gregory Grefenstette's 2025 Transits to Natal Planets
- Jupiter conjunction Ketu
Exact: 31 January, 2025 - Jupiter opposition Rahu
Exact: 31 January, 2025 - Saturn sextile Mercury
Exact: 01 April, 2025 - Jupiter conjunction Venus
Exact: 01 May, 2025 - Mars conjunction Jupiter
Exact: 31 May, 2025 - Mars square Saturn
Exact: 20 June, 2025 - Jupiter trine Moon
Exact: 09 August, 2025 - Mars aspects Ketu
Exact: 08 October, 2025 - Mars opposition Mercury
Exact: 28 October, 2025 - Mars conjunction Saturn
Exact: 07 November, 2025 - Mars conjunction Rahu
Exact: 17 November, 2025 - Mars opposition Ketu
Exact: 17 November, 2025 - Saturn sextile Mercury
Exact: 27 November, 2025