21st-century American engineers

Elon Reeve Musk is a businessman and entrepreneur known for his leadership of Tesla, SpaceX, X, and xAI. Musk has been the wealthiest person in the world since 2025; as of April 2026, Forbes estimates his net worth to be US$809 billion.

Jeffrey Preston Bezos is an American businessman, the founder, executive chairman, and former president and CEO of Amazon, the world's largest e-commerce and cloud computing company. According to Forbes, as of December 2025, Bezos's estimated net worth is US$239.4 billion, making him the fourth richest person in the world. He was the wealthiest person from 2017 to 2021, according to Forbes and the Bloomberg Billionaires Index.

American computer pioneer, inventor, computer engineer and programmer; co-founder of Apple Inc.

Nobel prize winning US scientist and engineer (born 1956)

Japanese doctor of Engineering (1954-), inventor of the blue LED, 2014 Nobel laureate in Physics

69th United States Secretary of State

Indian-American business executive and CEO of Microsoft

Iranian-American engineer and entrepreneur

Christina Hammock Koch is an American engineer and NASA astronaut. On her mission to the International Space Station in 2019–20 she was part of the first all‑female spacewalk and set the record for the longest spaceflight by a woman. On the Artemis II lunar flyby mission in April 2026, which set the record for human distance from Earth, Koch became the first woman to travel beyond low Earth orbit and to travel around the Moon.

Russian–American engineer, manager and former executive director of the Wikimedia Foundation

Chinese scientist and revolutionary (born 1961)

American computer scientist

American engineer, retired U.S. Air Force officer, former test pilot, and former NASA astronaut (born 1932)

American engineer and computer scientist

American electrical engineer

Jen-Hsun Huang, commonly anglicized as Jensen Huang, is a Taiwanese and American business executive, electrical engineer, and philanthropist who is the founder, president, and chief executive officer (CEO) of Nvidia, the world's most valuable company. As of April 2026, Forbes estimates his net worth at over US$180 billion, making him the seventh-wealthiest individual in the world.

American computer scientist

American computer scientist (1931–2022); author of The Mythical Man-Month and 'No Silver Bullet' (1986), which distinguished essential from accidental complexity in software engineering

American computer scientist (1949-2003)

American computer scientist

American computer scientist and Internet pioneer

American Internet pioneer, computer scientist (born 1938)

American astronaut, chemist, United States Air Force officer

American business executive

American engineer and former astronaut

American actor (born 1929)

American mathematician and computer scientist

American theoretical computer scientist (b.1935)

American cryptographer

American computer scientist and electrical engineer (1938–2024)

American astronaut

Venezuelan computer scientist

American computer programmer and entrepreneur (born 1983)

American engineer and NASA astronaut

American astronaut

American astronaut

American business executive and electrical engineer

American engineer (born 1955)

Costa Rican-American astronaut and physicist

US astronaut and Navy Captain

American engineer and NASA astronaut

American physicist (born 1946)

American mathematician and rocket scientist

American computer scientist (born 1943)

American engineer and NASA astronaut (1947–2023)

British video game developer, astronaut and entrepreneur

Governor of Hawaii from 2014 to 2022

American engineer, US Navy officer, and astronaut

American computer scientist

United States Senator from California since 2021

American engineer, United States Army officer, and astronaut, Professor at Texas A&M

Luigi Nicholas Mangione is an American man accused of killing Brian Thompson, the CEO of UnitedHealthcare.

American professor of applied mathematics at MIT

American data engineer, scientist, and whistleblower

82nd Governor of New Hampshire since 2017

American astronaut

Thomas Harold Massie is an American politician and engineer. A member of the Republican Party, Massie has been the United States representative for Kentucky's 4th congressional district since 2012. The district is dominated by the Kentucky side of the Cincinnati area and Louisville's eastern suburbs extending over much of northeastern Kentucky.

Community Class speaker at MIT, working on human-centered AI and podcaster

American businessman (1962–2023)

United States Army Colonel and NASA astronaut