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Conferences > ORSSA 2019

Keynote speakers


Prof. M Grazia Speranza

Grazia Speranza received a degree in mathematics and a Ph.D. degree in applied mathematics in 1980 and 1983, respectively, from the University of Milan. Since 1994, she has been a Full Professor of operations research at the University of Brescia. She was the President of the Research Council (1998–2000) and Vice-President of the University of Brescia (2000–2002), and the Dean of the Faculty of Economics and Business (2002–2008). She was President of EURO (Association of European Operational Research Societies) in 2011-12 and of TSL (Transportation Science & Logistics Society of INFORMS) in 2014.

Her main scientific interests are optimization models and algorithms for transportation and logistics. Other scientific interests include scheduling, combinatorial optimization, and optimization models in finance. She has published more than 150 papers on these topics in international journals and volumes. She has also edited international volumes and special issues of journals. She serves as Associate Editor of Transportation Science, EURO Journal on Transportation and Logistics, 4OR, ITOR, TOP.

She has organized international conferences, such as the first workshop on "Models and algorithms for planning and scheduling problems (MAPSP)" in Como (Italy) in 1993, "Odysseus" in Palermo (Italy) in 2003, "TRISTAN IV" in the Azores Islands (Portugal) in 2004, the "International Workshop on Distribution Logistics" in Brescia in 1998 and 2007. She has been a Member of the Scientific Committee and an Invited Speaker at several international conferences.





Prof. Gerhard Geldenhuys

Gerhard Geldenhuys is Emeritus Professor in Applied Mathematics, University of Stellenbosch. When ORSSA was founded in 1969, Gerhard was present, together with other well-known personalities like Professor HS Sichel (who may well be regarded as the father of OR in South Africa), Gerhard Rudolph, Jos Grobbelaar, Dave Masterson, Hendrik du Plessis and many others. Gerhard Geldenhuys served on the national executive committee of ORSSA during the period 1974–75 (acting as secretary during 1974) and again from 1994 to 1997. He also served on the executive committee of the Western Cape Chapter of ORSSA during the periods 1972–73 and 1990–91.

He regularly attended the annual conferences of ORSSA, where his contributions covered topics including the teaching of OR, war gaming, allocation of library funds, various applications of scheduling, and graph colouring. ORSSA reciprocated by conferring on him honorary life-membership — today he is one of only three living individuals upon whom this honour has been bestowed.

In addition to being an NRF rated researcher, Gerhard won the 1994 award for the best lecturer in the Faculty of Engineering at Stellenbosch University and was awarded the S2A3 gold medal for a life–long contribution to science by the Southern African Association for the Advancement of Science in 1998.

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