Isaias Afwerki (Tigrinya: ኢሳይያስ ኣፍወርቂ [isajas afwɐrkʼi]; born 2 February 1946) is an Eritrean dictator and politician who has been President of Eritrea since the Eritrean War of Independence in 1993. He led the Eritrean People's Liberation Front (EPLF) to victory in May 1991, ending the 30-year-old war for independence from Ethiopia. Isaias is the chairperson of Eritrea's sole legal political party, the People's Front for Democracy and Justice (PFDJ). He has faced accusations of totalitarianism and been cited for human rights violations by the United Nations and Amnesty International. In 2021, Reporters Without Borders ranked Eritrea, under the government of Isaias, last out of 180 countries in its Press Freedom Index.

Aubrey David Nicholas Jasper de Grey (; born 20 April 1963) is an English author and biomedical gerontologist. He was the Chief Science Officer of the SENS Research Foundation, but was fired in August 2021 after allegedly interfering in a probe investigating sexual harassment allegations against him. He is the author of The Mitochondrial Free Radical Theory of Aging (1999) and co-author of Ending Aging (2007). He is known for his view that medical technology may enable human beings alive today not to die from age-related causes. He is also an amateur mathematician who has contributed to the study of the Hadwiger–Nelson problem in geometric graph theory making the first progress on the problem in over 60 years.

Isaias Afwerki (Tigrinya: ኢሳይያስ ኣፍወርቂ [isajas afwɐrkʼi]; born 2 February 1946) is an Eritrean dictator and politician who has been President of Eritrea since the Eritrean War of Independence in 1993. He led the Eritrean People's Liberation Front (EPLF) to victory in May 1991, ending the 30-year-old war for independence from Ethiopia. Isaias is the chairperson of Eritrea's sole legal political party, the People's Front for Democracy and Justice (PFDJ).

Aubrey David Nicholas Jasper de Grey (; born 20 April 1963) is an English author and biomedical gerontologist. He was the Chief Science Officer of the SENS Research Foundation, but was fired in August 2021 after allegedly interfering in a probe investigating sexual harassment allegations against him. He is the author of The Mitochondrial Free Radical Theory of Aging (1999) and co-author of Ending Aging (2007). He is known for his view that medical technology may enable human beings alive today not to die from age-related causes. He is also an amateur mathematician who has contributed to the study of the Hadwiger–Nelson problem in geometric graph theory making the first progress on the problem in over 60 years. De Grey is an international adjunct professor of the Moscow Institute of Physics and Technology, a fellow of the Gerontological Society of America, the American Aging Association, and the Institute for Ethics and Emerging Technologies. He has been interviewed in recent years in a number of news sources, including CBS 60 Minutes, the BBC, The Guardian, Fortune Magazine, The Washington Post, TED, Popular Science, The Colbert Report, Time, the Skeptics' Guide to the Universe, and The Joe Rogan Experience.