Freeman Spogli Institute for International Studies Center for International Security and Cooperation Stanford University


News and commentary


Photo of Siegfried Hecker

Siegfried S. Hecker, PhD

Senior Fellow CISAC, FSI and Professor (Research), Department of Management Science and Engineering; FSI Senior Fellow; CISAC Co-Director Emeritus

View Siegfried Hecker's bio, list of research, recent publications and events »


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January 30th, 2013

CISAC welcomes microbiologist David Relman as co-director

David Relman, a Stanford microbiologist and professor of infectious diseases, has taken up the mantle as CISAC co-director alongside Stanford law professor Tino Cuéllar, both of whom intend to broaden the center’s research in biosecurity and the life sciences. Read more »



January 29th, 2013

Carnegie awards CISAC $1 million grant for research and training

Carnegie Corporation of New York, the foundation that promotes "real and permanent good," has awarded a $1 million grant to CISAC to fund research and training on international peace and security issues. Read more »



October 3rd, 2012

Hecker: U.S. failure to ratify anti-testing treaty hurts nonproliferation globally

in the news: CTBTO Spectrum Magazine on September 19, 2012

Siegfried S. Hecker, CISAC co-director and nonproliferation expert, writes in CTBTO Spectrum that the United States should take the lead in ratifying the Comprehensive Nuclear Test-Ban Treaty. Read more »



August 6th, 2012

Contemplating a third nuclear test in North Korea

CISAC, FSI Stanford in the news

CISAC co-director Siegfried Hecker and Frank Pabian, a recent CISAC visiting scholar, believe they've pinpointed the epicenters of the two nuclear tests conducted by North Korea and conclude the North is capable of carrying out a third within weeks. Read more »



July 9th, 2012

Sig Hecker: "It's time to close the door" on nuclear testing

in the news

In an interview with the Comprehensive Nuclear Test Ban Treaty Organization, CISAC Co-Director and nuclear expert Sig Hecker explains why U.S. ratification of the Comprehensive Nuclear Test Ban Treaty would bolster national security. He also discusses stockpile stewardship and how the U.S. nuclear arsenal is secure and reliable without nuclear tests. Read more »




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News around the web

Scientist: North Korea likely has more nuclear facilities
Prof. Siegfried Hecker of Stanford University told CNN his conclusion is based on his study of recent satellite images and other research, and what he saw when he was invited by North Korea to visit its Yongbyon nuclear power plant in 2010 to see its secret uranium enrichment program.
March 22, 2012 in CNN International

US expert: N.Korea shouldn`t be allowed to test missiles
A leading American nuclear weapons expert said Wednesday that North Korea should no longer be allowed to launch missiles, conduct additional nuclear tests, or develop centrifuges.
March 21, 2012 in The Dong-A Ilbo

Hecker: More Certain NK Has More Uranium
The American scientist to whom North Korea decided in 2010 to reveal its uranium enrichment program, Siegfried Hecker, says he's become more persuaded since that time that he didn't see all of it.
March 21, 2012 in Wall Street Journal (blog)

North Korea suspends nuclear testing
Sig Hecker, a metallurgist at Stanford University in California, saw 2000 centrifuges during an informal visit he made to the site in 2010, but international inspectors have never officially had access to the facility. This isn't the first time that ...
February 29, 2012 in Nature.com

North Korea's new nuclear plant a safety worry: expert
Siegfried Hecker, who has visited the North's main Yongbyon nuclear facility four times since 2004 and was the last foreign expert to visit the site in late 2010, said he was very concerned the reactor could be technically flawed.
January 26, 2012 in Chicago Tribune

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