A. Thomas McLellan, born on May 29, 1949, in Staten Island, New York, is a prominent psychologist specializing in addiction. He founded and leads the Treatment Research Institute and served as Deputy Director of the Office of National Drug Control Policy from 2009 to 2012. An influential figure in the field, McLellan developed key tools like the Addiction Severity Index and has advised various scientific organizations. He has received multiple prestigious awards for his contributions to addiction medicine and held editorial positions in relevant journals.
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Age (Today)
Your next birthday is 297 days away.
Place of Birth
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May 29, 1949 Facts
Generation Group
A. Thomas McLellan belongs to the Baby Boomers group.
Place of Birth: Staten Island
Educated At: Colgate University | Bryn Mawr College | University of Oxford
Occupation: Psychologist | Addiction Specialist
Employers: Treatment Research Institute | Veterans Administration Medical Center | University of Pennsylvania
Awards Received: Life Achievement Award of the American Society of Addiction Medicine (2003) | Distinguished Contribution in Addiction Medicine from the Swedish Medical Association (2002)
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 May 29, 1949
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on May 29, 2025 | Secondary Progressions for May 29, 2025 |
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Sun | 7 Gemini 58 | 8 Gemini 34 | 20 Leo 35 |
Moon | 29 Gemini 14 | 14 Cancer 10 | 15 Aries 5 |
Mercury | 15 Gemini 41 | 8 Gemini 0 | 7 Virgo 33 |
Venus | 19 Gemini 17 | 22 Aries 45 | 21 Virgo 49 |
Mars | 21 Taurus 51 | 19 Leo 51 | 14 Cancer 16 |
Jupiter | 1 Aquarius 55 | 27 Gemini 29 | 24 Capricorn 12 |
Saturn | 0 Virgo 30 | 0 Aries 14 | 7 Virgo 34 |
Uranus | 29 Gemini 22 | 28 Taurus 0 | 3 Cancer 38 |
Neptune | 12 Libra 33 | 1 Aries 49 | 13 Libra 3 |
Pluto | 14 Leo 23 | 3 Aquarius 40 | 16 Leo 19 |
Rahu | 23 Aries 33 | 23 Pisces 37 | 19 Aries 32 |
Ketu | 23 Libra 33 | 23 Virgo 37 | 19 Libra 32 |
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.A. Thomas McLellan's 2025 Transits to Natal Planets
- Mars square Ketu
Exact: 21 January, 2025 - Saturn sextile Mars
Exact: 12 March, 2025 - Mars square Ketu
Exact: 01 April, 2025 - Jupiter conjunction Mercury
Exact: 01 April, 2025 - Mars opposition Jupiter
Exact: 21 April, 2025 - Jupiter conjunction Venus
Exact: 21 April, 2025 - Jupiter trine Ketu
Exact: 11 May, 2025 - Jupiter conjunction Moon
Exact: 10 June, 2025 - Mars opposition Mercury
Exact: 27 November, 2025