Our Alumni – Pythagoras Papadimitriou

In this blog post, we asked one of our alumni, Pythagoras Papadimitriou, a few questions about his time with the Numerical Linear Algebra Group.
Pythagoras Papadimitriou

Please can you introduce yourself and tell us a bit about your experience before attending University of Manchester?

I was born in Athens and grew up there.  I studied Mathematics (B.Sc.) at Athens University. Then I did my national service and I moved to Manchester in September 1990 to attend the M.Sc. course “Numerical Analysis & Computing” at Manchester University.

What was your PhD thesis on?

The title of my Ph.D. is “Parallel Solution of SVD-Related Problems, with Applications”. The main part of my research dealt with the development of parallel algorithms for computing the Singular Value Decomposition and the Polar Decomposition. The algorithms were designed for the particular architecture of the KSR1, which was a virtual shared-memory parallel computer, a leading-edge parallel computer technology of the 90s.

Why did you choose to study your PhD in Manchester?

My initial plan was to complete my M.Sc. and work in industry. But when Nick Higham asked me to do a Ph.D. with him with a scholarship from S.E.R.C. I did not think twice. I am very proud that Nick was my supervisor.

How did you find Manchester?

It was an invaluable experience, three wonderful years. I made good friends and I am still in touch with most of them. When I left Manchester in October 1993 I took only good memories with me, including some of the best moments in my life. They say that Manchester has changed and the city is more beautiful now. I hope my sons will have the opportunity to study in Manchester.

Can you tell us about your career since leaving Manchester?

I joined the IT industry as a software engineer a few days after the submission of my Ph.D. thesis in October 1993. My first employer was a start-up in Greece. I joined Intrasoft SA, the then largest Systems Integrator in southeast Europe, in 1995. At Intrasoft SA, I moved from SW Development to Project Management in 1997 and to Sales in 1999. I joined Nortel Networks in Athens in January 2001 as Sales Director for Greece and Cyprus. A dream came true in October 2005 when I joined Sun Microsystems, a company that I admired from my Manchester days when I used Sun Unix workstations for carrying out my research. I headed the SW Business Unit of Sun Microsystems for 5 years, being responsible for a huge geography, from Saint Petersburg to Cape Town and from Vienna to Vladivostok! In January 2011 I joined HP in Athens as Managing Director. I moved to Vienna in September 2014 to join Oracle as Senior Sales Director responsible for Central Eastern Europe, Russia, Turkey and Central Asia. Today my organisation is responsible for the Systems partners of Oracle in this region plus in Italy, France and Iberia.

What is your current role?

I head the Systems Alliance and Channel organisation of Oracle for Italy, France, Iberia, Central Eastern Europe, Russia, Turkey and Central Asia. We are responsible for driving with our channel partners (Value Added Distributors, Value Added Resellers, Systems Integrators and Independent Software Vendors) the hardware business of Oracle in this region.

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