Professor Stevens is the founder and Director of PROMYS Europe. He has been Director of PROMYS at Boston University since he co-founded the program in 1989. He is Professor of Mathematics at Boston University where he has taught and conducted research since 1984. Professor Stevens earned his Ph.D. in Mathematics from Harvard University in 1981. His research specialties are Number Theory, Automorphic Forms, and Arithmetic Geometry. He has authored or edited three books and published numerous articles on these topics.

Professor Stevens has organized two major research conferences including the Conference on Modular Forms and Fermat's Last Theorem held at Boston University in 1995. Glennfest, a Conference on p-adic Variation in Number Theory, was held at Boston University on 2-6 June, 2014 to celebrate Professor Stevens' 60th Birthday.

Professor Stevens is the Director of PROMYS for Teachers, which he founded in 1990 for mathematics teachers of all levels of experience. He is Principal Investigator of the NSF-funded Focus on Mathematics Math and Science Partnership and co-Principal Investigator of the NSF Noyce grant, Math for America Boston: Teaching Scholars Program. In 2010, the Massachusetts Commissioner of Elementary and Secondary Education appointed Professor Stevens Chair of the Common Core Mathematics Review Board. He is also President of Math for America-Boston and Treasurer of the PROMYS Foundation.

Professor Cohn is a principal researcher and one of three founding members at Microsoft Research New England in Cambridge, Massachusetts, as well as an adjunct professor of mathematics at MIT. He received his Ph.D. in mathematics from Harvard in 2000 under the supervision of Noam Elkies.

Professor Cohn’s mathematical research interests are in discrete mathematics, including discrete geometry, coding theory, cryptography, combinatorics, computational number theory, and theoretical computer science.

Professor Cohn was a student at PROMYS in 1990. He returned as a junior counsellor in 1991 and was a counsellor in 1992, 1993, 1994, 1995, and 1996, when he was head counsellor. Over the years, Professor Cohn has repeatedly returned to PROMYS as an instructor, research mentor, and guest lecturer. In 2011, he co-founded the PROMYS Foundation to support PROMYS and its mission to nurture mathematical talent. Professor Cohn participated in the week-long Oxford Masterclasses in 2014 and delivered a guest lecture to the CMI-PROMYS Scholars.

Professor Cohn and Professor Stevens share the teaching of the daily Number Theory lectures at PROMYS Europe.

Professor Cohn’s research papers.

Vicky is Whitehead Lecturer in the Mathematical Institute and Tutor at Balliol College, University of Oxford. Vicky's research interests are in analytic number theory and additive combinatorics. She did her PhD at Trinity College, Cambridge; her thesis was on Bracket quadratics as asymptotic bases for the natural numbers, and her supervisor was Professor Ben Green.

Before coming to teach at the University of Oxford, Vicky was a Senior Teaching Associate in the Department of Pure Mathematics and Mathematical Statistics at the University of Cambridge, and she was also a Fellow and Director of Studies in Mathematics at Murray Edwards College, University of Cambridge.

Part of Vicky's role as Whitehead Lecturer is to discuss mathematics with a broader audience. She has a blog, *Theorem of the Week*, aimed at people who are not expert mathematicians. She delivers public lectures, and she gives talks and workshops in schools. She is a frequent guest speaker on the radio.

Vicky is involved with the United Kingdom Mathematics Trust (UKMT) and with the British Mathematical Olympiad and the National Mathematics Summer School. She helped organise the European Girls’ Mathematical Olympiad (EGMO) in its inaugural year of 2012. Vicky has led masterclasses for the Royal Institution and workshops for the Further Maths Support Programme. She has worked closely with NRICH, with the Millennium Mathematics Project (MMP) of which it is a part, and with the Cambridge Mathematics Education Project. Vicky also dreamed up and launched the Cambridge Maths Circle.