Rice Professor Concluded Nobel Chemistry Committee Term

Pernilla Wittung-Stafshede ended her six-year tenure on the committee that selects Nobel chemistry laureates.

Updated on Oct. 7, 2026 in Chemistry

Rice Professor Concluded Nobel Chemistry Committee Term

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Rice University professor Pernilla Wittung-Stafshede completed a six-year term on the Nobel Committee for Chemistry in 2026. She stepped down from the role after returning to teach in Houston in July 2025.

Why it matters

The committee is responsible for identifying the annual Nobel Prize in Chemistry laureates, a process that requires intensive global expert review and mandatory in-person meetings in Stockholm. Wittung-Stafshede left the body because her ongoing commitments at Rice University prevented her from attending those monthly gatherings.

The Nobel Committee for Chemistry draws eight of its members from the Royal Swedish Academy of Sciences' chemistry class, which consists of 18 members under the age of 65. The selection process typically filters through 600 annual nominations, where each of the 1,000 authorized nominators may propose up to nine candidates.

The players

Pernilla Wittung-Stafshede

A researcher and professor at Rice University who specializes in physical chemistry.

Royal Swedish Academy of Sciences

The independent organization responsible for awarding the Nobel Prizes in chemistry and physics.

Henri B. Kagan

A 2026 Nobel Prize in Chemistry laureate.

Kenso Soai

A 2026 Nobel Prize in Chemistry laureate.

The details

Committee members maintain scientific rigor by soliciting secret reports from global experts to evaluate potential winners. To ensure absolute secrecy, the group conducts mandatory monthly meetings in person in Stockholm, explicitly avoiding the use of email for deliberations. Wittung-Stafshede, who joined the committee in 2020, helped select more than a dozen Nobel Prize winners during her tenure, including the 2026 laureates Henri B. Kagan and Kenso Soai.

1901: The Nobel Prize was first awarded.
2004: Wittung-Stafshede became a professor at Rice University.
2020: Wittung-Stafshede joined the Nobel Committee for Chemistry.
July 2025: Wittung-Stafshede returned to Houston to teach at Rice University.
2026: Wittung-Stafshede concluded her committee tenure.

The Tech Race

The Nobel Committee for Chemistry operates under strict, long-standing protocols that necessitate in-person, secret deliberations to protect the integrity of the prize selection. Wittung-Stafshede’s departure highlights the friction between the committee's traditional travel requirements and the modern academic expectation of localized research faculty.

While the transition on the Nobel Committee does not alter local Houston curricula, it marks a change in the administrative composition of the international body awarding the prize. The committee remains an exclusive group of eight members selected from the Royal Swedish Academy of Sciences.

The takeaway

The rigor of the Nobel selection process relies on the physical attendance of its members for secret, in-person deliberations in Stockholm. Watch for the Royal Swedish Academy of Sciences to announce future committee appointments to fill the vacancy left by departing members.