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Ahmed Ibrahim Abaza 104 104

Ahmed Abaza

Doha Debates Ambassador 2024

Alyasa Abbas

Alyasa Abbas

Doha Debates Ambassador 2023

Nabila Abbas

Nabila Abbas

Doha Debates Ambassador 2024

Kamran Abbasi

Kamran Abbasi

Doctor and journalist

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Ikram Abbes

Doha Debates Ambassador 2024

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Dorian Abbot

Professor of Geophysics, University of Chicago

Randa Abdel-Fattah

Randa Abdel-Fattah

Australian Author

Muhammad Abduhoo

Muhammad Abduhoo

Doha Debates Ambassador 2022

Muhammad Abdullah

Muhammad Abdullah

Doha Debates Ambassador 2024

Ewaru Abel

Ewaru Abel

Doha Debates Ambassador 2023

Hossam Abo Shammallah

Hossam Abo Shammallah

Doha Debates Ambassador 2024

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Noha Aboueldahab

Author, professor and transitional justice specialist

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David Grinspoon

Senior scientist, Planetary Science Institute

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About David Grinspoon

Dr. David Grinspoon is a senior scientist at the Planetary Science Institute and adjunct professor of astrophysical and planetary science at the University of Colorado, specializing in astrobiology. Grinspoon is one of the world’s foremost experts on Venus, serving as an interdisciplinary scientist on the European Space Agency’s Venus Express mission and currently serving on the Science Team for NASA’s DAVINCI spacecraft mission launching to Venus in the 2030s. In 2022, he was elected as a Lifetime Fellow of the American Association for the Advancement of Science. Asteroid 22410 Grinspoon is named in his honor. Grinspoon serves as an advisor to NASA on space exploration strategy and was trained as a sub-orbital scientist/astronaut. He has appeared on numerous television programs and radio shows. Beyond his scientific work, Grinspoon is an accomplished guitarist and has performed with multiple bands.