Here's a list of people in more than one section (in order of appearance...):

a. Jaroslav Nesetril [1. Logic and 14. Combinatorics]

b. Dmitry Kaledin [2. Algebra and 4. Algebraic Geometry]

c. Akshay Venkatesh [3. Number theory and 7. Lie theory and generalisations]

d. Jean-Yves Welschinger [4. Algebraic geometry and 6. Topology]

e. Anna Erschler [5. Geometry and 13. Probability and statistics]

f. Maryam Mirzakhani [6. Topology and 10. Dynamical systems and ODE]

g. Nimish Shah [7. Lie theory and generalisations and 10. Dynamical systems and ODE]

h. Bernard Leclerc [7. Lie theory and generalisations and 14. Combinatorics]

i. Alexei Borodin [12. Mathematical physics and 13. Probability and statistics]

j. David Brydges [12. Mathematical physics and 13. Probability and statistics]

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