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The Team

Gautam Mitra and  Cormac Lucas bring their experience and enthusiasm to drive this company. The company also draws upon the research experience of CARISMA: The Centre for the Analysis of Risk and Optimisation Modelling Applications, Brunel University, and benefits from the R & D support and research results of their many researchers.  Members of the team are drawn from an international background and between them speak a wide variety of languages, thus enabling OptiRisk to interact with clients from across the world.

OptiRisk has received accreditation from the "Investor in People" Initiative; the company has also been assessed and approved by certified international systems to the quality administration systems, standards and guidelines of BS EN 9000 - 2000.

Gautam Mitra
BEE(JU), MSc (London), PhD (London), FBCS, FRSA, CMATH, FIMA
Chairman and Managing Director

Prof Mitra has over 30 years' of experience in Mathematical Programming Modelling, Operational Research, Computational Optimisation, Stochastic Programming and Risk Decisions in Finance. Prof Mitra is a Distinguished Professor at Brunel University where he holds a personal chair in Computational Optimisation. He has a PhD from London University and a Bachelor of Electrical Engineering from Jadavpur University, India.

He has held academic positions at the Institute of Computer Science London University and subsequently at Brunel University, West London, where he was Head of Department of Mathematical Sciences and is now the Director of CARISMA - The Centre for the Analysis of Risk and Optimisation Modelling Applications.

Cormac Lucas
BSc, PhD (Brunel)
Technical Director

Dr Lucas has extensive knowledge of Mathematical programming modelling, Pre-analysis and reduction techniques in linear programs and representation of logical expressions as MIPs.  Dr Lucas has a PhD and BSc degree from Brunel University. He has held academic positions at CARISMA, Brunel University, London.

Dr Lucas has published extensively in the area of optimisation modelling. He has led a number of industry projects on scheduling and decision support.

Frank Ellison
BSc(Oxon), PhD (Brunel)
Principal Consultant

Dr Ellison is also a Senior Research Associate in CARISMA at Brunel University. He has a long-standing experience of developing large-scale optimisation software and has implemented some world-class systems such as APEX and UIMP. He works closely with algorithm researchers, PhD students, and provides support towards implementing complex optimisation algorithms. Dr Ellison has a first class honours degree BA(Oxon), from the Queen's College, University of Oxford.

Dr Ellison is the main architect of the solver tools FortMP, FortSP and FortQMIP, developed and marketed by OptiRisk.

Csaba Fabian
MSc, PhD (Eotvos Lorand)
Visiting Researcher

Dr Fabian has 15 years' experience in optimisation and decision support modelling; in particular he specialises in computational models for decision making under risk.

He has an MSc and PhD degrees from Eotvos Lorand University, Hungary.
He is senior researcher at Kecskemet College, Hungary; and lecturer at the Department of Operational Research, Eotvos Lorand University, Hungary. He supervises PhD researchers at Kecskemet College and is an Advisor to OptiRisk Systems. Dr Fabian speaks Hungarian and English.

Gajen Gajendra
Operations Manager

Mr Gajendra has over 15 years of experience in the day-to-day running of Service Industry organisations, including IT Companies. He oversees, coordinates, and administers a range of operational and administrative activities, which support the successful delivery of the company's products and services. He participates in administering the strategic and operational plans of the Company.

He is an associate member of the Chartered Institute of Marketing, UK.

Diana Roman
MSc, PhD (Brunel)

Dr Roman has a PhD in Models for Choice under Risk, from the School of Information Systems, Computing and Mathematics, Brunel University, UK; MSc in Applied Statistics and Optimisation, and BSc in Mathematics, from University of Bucharest, Romania.

Dr Roman is now a faculty member of CARISMA, a lecturer in the school of The School of Information Systems, Computing & Mathematics at Brunel University.

Formerly she was a software developer at OptiRisk Systems (KTP associate in a partnership between OptiRisk systems and Brunel University), tasked with designing a software library of scenario generators to be integrated within the SPInE system.

Her work experience comprises several years as a teaching assistant in the Department of Mathematics, Technical University of Civil Engineering, Bucharest. Her research interests include Risk decisions in finance (portfolio optimisation), financial risk measurement and modelling, scenario generation, stochastic programming. Dr Roman speaks Romanian and English.

Christian Valente

PhD (Brunel University London), MSc (Politecnico di Milano)
Senior Software Engineer

Mr Valente joined OptiRisk in 2005 as software engineer, coming from the field of Artificial Intelligence. He has participated in the development and maintenance of many of the company’s products. Along with Dr Lucas he is main responsible in holding workshops and training sessions, and he is the main technological advisor for external projects. He is the main designer and developer of SPInE, the OptiRisk modeling system for Stochastic Programming.
He has completed PhD in Mathematics at Brunel University, and his main research interests are Stochastic Programming and parallel computing. He has a first class degree in Computer Science from Politecnico di Milano, Milan, Italy and an MSc equivalent in Artificial Intelligence from the same institution. He holds a ISEB Foundation certificate in software Testing.
Mr Valente speaks fluent Italian and English and has a good knowledge of German.

Cristiano Arbex Valle

PhD Candidate (Brunel University London), MSc (Universidade Federal de Minas Gerais)
Software Engineer

Mr Valle joined OptiRisk in 2011 as software engineer / researcher, coming from a background of Computer Science. He currently plays active roles in important company’s products. He is currently responsible for the maintenance and development of Fortsp, OptiRisk (Integer) Stochastic Programming solver. He also plays an major role in the development and research of News Analytics related products. Mr. Valle is currently undertaking his PhD in Mathematics at Brunel University, where his main research interests are optimisation techniques and financial modelling. He also holds a position as Operations Research class teacher at London School of Economics. He has a degree in Computer Science from Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil, and an MSc in Operations Research from the same institution. Mr. Valle has been a software developer since 2003 where he worked for large brazilian companies in the realm of aircraft maintenance and government financial control. He speaks native portuguese, fluent english and has a good knowledge of spanish.

Neha Murarka

Model and Software Developer

Neha Murarka completed her MSc degree from UCL in 2009 with a distinction in Machine Learning. She has a BA in Computer Science from the College of Wooster, Ohio, USA. Neha’s Msc.  Dissertation, Automatic Recognition of Video Gamer’s Affective State’, a system that can recognize the emotional state of a player during game play, earned her a distinction at University College London. She is passionate about Artificial Intelligence, Philosophy and Mathematics. She creates and manages the Graphical User Interfaces (GUIs) for the DSS applications and works on the AMPLDev project which is an Eclipse-based IDE for AMPL. Her programming languages are C++, C#, Java and Matlab.

Aqeela Rahman,
MSc (Brunel University, London), MBA (P.U., Lahore), MSc (P.U., Lahore)
Business Development Executive

Aqeela has completed her Msc. Degree in Risk Management and Modeling from Brunel University.  She has previously worked as a lecturer in Physics, as a credit Officer at MCB Bank and as an administrator for FIFA. She has broad experience in quantitative modeling, market and credit risk management and analysis. She is actively involved in lead generation, identification of business growth areas, brainstorming on new business opportunities and following up with customers on various business engagements with OptiRisk.

Nish Rasalingam
BEng, Electronic and Electrical Engineering (UCL)
Business Development Executive

Nish is our most recent addition to the OptiRisk team, he graduated from University College London in August 2013. Nish undertook business electives in his final year to complement his technical degree background to help pursue his interest in startups. He also has a broad knowledge of marketing, skills in Photoshop and is passionate about design.