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Returning to her office in Pyongyang from a site visit to an agricultural development project one day last year, Katharina Zellweger had a revelation to share with her colleagues:

“I saw trees, bushes, upland rice, maize, berries, and all kinds of other crops planted on the hillsides!” she said.

Life in North Korea today is much more vibrant than the stark slopes and muted grey concrete buildings Zellweger encountered when she began traveling to North Korea in the mid-1990s. Day-to-day existence is still a struggle for many people, especially in the countryside, but Zellweger, who is the 2011–12 Pantech Fellow with Stanford’s Korean Studies Program, has watched positive change slowly ripple throughout the country for 17 years.

“If you have the patience and perseverance, and try to understand the country as well as you can, it is possible to do work there that is meaningful for the survival of the people and for the future of the country,” she said during a recent interview. 

Zellweger’s projects in North Korea began in 1995 while she worked for the Hong Kong office of Caritas Internationalis, a Catholic network of humanitarian organizations, and continued when she moved to Pyongyang to lead the efforts of the Swiss Agency for Development and Cooperation, a part of Switzerland’s Federal Department of Foreign Affairs. She lived in Pyongyang and interacted with North Koreans on a daily basis for five years until coming to Stanford in October 2011.

Since her earliest visits to North Korea, Zellweger has introduced ways to help alleviate the formidable problem of food scarcity and hunger. North Korea has always been a country of urban dwellers, she said, and the 60 percent of North Koreans who live in cities drain the countryside of its crops. In an effort to carve out new places to grow food during the toughest years, farmers have resorted to stripping hillsides of their trees. The solution is short-term and unsustainable, though, as the denuded slopes can only be planted for a few years, and it leads to soil erosion and flooding.

“If you do not have enough to eat and you are hungry, that is what people do,” Zellweger said. 

She and her team tackled the problem in one province with a simple solution. They taught rural housewives to plant bands of deep-root vegetation every 10 meters along cleared hillsides. The slopes are a “no man’s land” outside of the commune system, and the women have official permission to either keep what they harvest or sell it in the market for extra income. The environment also reaps big benefits from this sustainable agricultural method, which is catching on in more provinces.

“The last time I visited the project, the women told me that they now grow about 15 species of crops, whereas previously they only had one or two,” Zellweger said. “It has brought biodiversity back to those areas.”

Along with receptiveness to new farming techniques, North Koreans have also embraced certain technological developments. Even though the city and countryside are relatively cut off from one another, for example, cell phone tower transmissions now crisscross most of North Korea. Already one million of North Korea’s 24 million citizens own cell phones, and can find coverage in 75 percent of the country.

“Mobile telephones are not just in the big cities—even farm managers have them,” Zellweger said. “With that, communication has improved a lot among the North Korean people.” 

Some ripples of change have also penetrated North Korea’s educational system. English replaced Russian a few years ago as the main foreign language taught in school, Zellweger said, who smiled as she described the warbling greetings of school children who would sometimes approach her to test out their language skills.

“Years ago, I would not even have eye contact with people,” she said. “People would simply look down, and I would feel like thin air, as if I did not exist. That has gone—there is now a certain amount of natural curiosity.”

When she first began visiting North Korea, the Pyongyang Business School, a professional development project close to Zellweger’s heart, did not exist yet. Under her leadership, several groups of 30 to 35 mid-level managers and government officials had the opportunity to participate in a special diploma program. During each 12-month program cycle, lecturers from the Hong Kong Management Association flew monthly to Pyongyang to teach an intensive three-day seminar on subjects ranging from finance to management.

“The Hong Kong lecturers would say, ‘We could not have more diligent students,’” Zellweger said. “The feedback from the students was also very, very positive.”  

As Zellweger experienced during her 17 years working in North Korea, change may unfold gradually there but it does come. And for the positive development to grow even more transformative, she said, the basic needs of everyday North Koreans must be met. 

“When basic needs like food and medical care are covered, I believe things will start moving forward at a different pace,” Zellweger said. “There are 24 million people in North Korea who just want to lead a decent life, and who have the same dreams and hopes as we all have. That goes beyond any political issue.” 

Zellweger will give a talk on May 11 about her work and the change she witnessed in North Korea.

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Katharina Zellweger, 2011-12 Pantech Fellow, holds a drawing she has been presented with by a child at a North Korean school. | Courtesy Katharina Zellweger
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Even before it took place, North Korea's Apr. 13 rocket launch generated great debate. Pyongyang has since officially denounced its Feb. 29 agreement with the United States and the question of a nuclear test now hangs in the air. David Straub and Daniel C. Sneider discuss what we could possibly expect moving forward.
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Lightshow with Pyongyang's Tower of Juche Idea in the background during May Day celebrations in 2010. | Flickr/John Pavelka
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The U.S.-North Korean “Leap Day” deal of February 29 was thrown into question by the North’s recent announcement of a satellite launch between April 12 and 16 to celebrate the centenary of Kim il Sung’s birth. As the opening of the launch window nears, an intense international brouunfolds with, amazingly, the US, Russia, China, Japan, and South Korea on the same page, dead set against a launch; and an isolated North Korea defiantly planning to celebrate the centenary with a satellite launch on or by April 15. In this presentation, the three speakers will provide a brief background of the successes and failures of North Korea’s previous satellite launches (score: 0 for 3 by Western count, 2 for 2 by DPRK count) and what has been learned from these; an expected timeline of activities of the countdown; and a guide and comparison of the new Sohae Western launch complex to the older Tonghae Eastern launch complex.


About the speakers:

Lewis Franklin is a long-time CISAC Affiliate, joining CISAC in 1992 as a Visiting Scholar after retiring as a TRW vice president, and previously vice president and co-founder of ESL, a defense intelligence company. Upon retirement he was awarded the CIA's Gold Medal for career-long contributions to foreign weapons assessment and national technical means capabilities. At CISAC his work focused on technical intelligence related problems, including wmd proliferation, export controls, defense conversion, and especially conversion of retired ICBMs for low-cost space launches.

Nick Hansen is a CISAC Affiliate. He graduated with a BA in Geography from Syracuse University in 1964.  His career in national intelligence spans 43 years first as an Army imagery analyst, and then in industry with GTE-EDL, ESL/TRW, Tera Research as a cofounder Vice Pres. and then again at ESL (now TRW/Northrop-Grumman) as a Director. He has also served in an SES position at the Navy's NIOC-Suitland, MD, as an image technology expert associated with Pennsylvania State University.  He has been twice nominated for the NRO's Pioneer award for innovative imagery uses and techniques development and is an expert in foreign weapons systems and test ranges. 

Allison Puccioni is an expert in remotely-sensed imagery and geospatial intelligence at IHS Janes. She was honored for her innovative intelligence in response to Sept. 11, and has been recognized by the Department of Defense and international armed forces for her outstanding strategic and tactical analysis. 

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Lewis Franklin CISAC Affiliate Speaker
Nick Hansen CISAC Affiliate Speaker
Allison Puccioni IHS Janes Imagery Analyst Speaker
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Center for International Security and Cooperation

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Stanford University
Encina Hall, C220
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Senior Fellow, Freeman Spogli Institute for International Studies, Emeritus
Research Professor, Management Science and Engineering, Emeritus
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Siegfried S. Hecker is a professor emeritus (research) in the Department of Management Science and Engineering and a senior fellow emeritus at the Freeman Spogli Institute for International Studies (FSI). He was co-director of CISAC from 2007-2012. From 1986 to 1997, Dr. Hecker served as the fifth Director of the Los Alamos National Laboratory. Dr. Hecker is an internationally recognized expert in plutonium science, global threat reduction, and nuclear security.

Dr. Hecker’s current research interests include nuclear nonproliferation and arms control, nuclear weapons policy, nuclear security, the safe and secure expansion of nuclear energy, and plutonium science. At the end of the Cold War, he has fostered cooperation with the Russian nuclear laboratories to secure and safeguard the vast stockpile of ex-Soviet fissile materials. In June 2016, the Los Alamos Historical Society published two volumes edited by Dr. Hecker. The works, titled Doomed to Cooperate, document the history of Russian-U.S. laboratory-to-laboratory cooperation since 1992.

Dr. Hecker’s research projects at CISAC focus on cooperation with young and senior nuclear professionals in Russia and China to reduce the risks of nuclear proliferation and nuclear terrorism worldwide, to avoid a return to a nuclear arms race, and to promote the safe and secure global expansion of nuclear power. He also continues to assess the technical and political challenges of nuclear North Korea and the nuclear aspirations of Iran.

Dr. Hecker joined Los Alamos National Laboratory as graduate research assistant and postdoctoral fellow before returning as technical staff member following a tenure at General Motors Research. He led the laboratory's Materials Science and Technology Division and Center for Materials Science before serving as laboratory director from 1986 through 1997, and senior fellow until July 2005.

Among his professional distinctions, Dr. Hecker is a member of the National Academy of Engineering; foreign member of the Russian Academy of Sciences; fellow of the TMS, or Minerals, Metallurgy and Materials Society; fellow of the American Society for Metals; fellow of the American Physical Society, honorary member of the American Ceramics Society; and fellow of the American Academy of Arts and Sciences.

His achievements have been recognized with the Presidential Enrico Fermi Award, the 2020 Building Bridges Award from the Pacific Century Institute, the 2018 National Engineering Award from the American Association of Engineering Societies, the 2017 American Nuclear Society Eisenhower Medal, the American Physical Society’s Leo Szilard Prize, the American Nuclear Society's Seaborg Medal, the Department of Energy's E.O. Lawrence Award, the Los Alamos National Laboratory Medal, among other awards including the Alumni Association Gold Medal and the Undergraduate Distinguished Alumni Award from Case Western Reserve University, where he earned his bachelor's, master's, and doctoral degrees in metallurgy.

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Siegfried S. Hecker Co-Director of CISAC and Professor (Research), Department of Management Science and Engineering; FSI Senior Fellow Speaker
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Philip Taubman is affiliated with the Center for International Security and Cooperation at Stanford University. Before joining CISAC in 2008, Mr. Taubman worked at the New York Times as a reporter and editor for nearly 30 years, specializing in national security issues, including United States diplomacy, and intelligence and defense policy and operations. He served as Moscow bureau chief and Washington bureau chief, among other posts. He is author of Secret Empire: Eisenhower, the CIA, and the Hidden Story of America's Space Espionage (2003), The Partnership: Five Cold Warriors and Their Quest to Ban the Bomb (2012),  In the Nation's Service: The Life and Times of George P. Shultz (2023), as well as co-author (with his brother, William Taubman) of McNamara at War: A New History (2025).

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Philip Taubman Consulting Professor, CISAC Moderator
Sen. Sam Nunn Former U.S. Senator from Georgia and Co-Chairman and Chief Executive Officer of the Nuclear Threat Initiative Speaker
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Beyond North Korea: Future Challenges to South Korea's Security (Shorenstein APARC, 2011) takes a broad, long-term look at the security of South Korea. A recent International Affairs review calls it: "an excellent examination of the dynamism that characterizes contemporary South Korea."
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Windmills in Yeongdeok, South Korea, Jun. 2011. Energy is one of many factors related to South Korea's security. | Flickr/briancolella
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