Moriarty's successor as the Permanent Secretary at DEFRA is Tamara Finkelstein, sister of Lord Daniel Finkelstein of the Times and Prof Anthony Finkelstein, Chief Scientific Adviser for National Security to HM Government.
They are the grandchildren of Alfred Wiener, founder of the Wiener Library. Their father was Ludwik Finkelstein FREng OBE who was a Professor Emeritus of Measurement and Instrumentation.