Jeroen Batema, Chief Executive Officer
Jeroen is a co-founder of OSIS. He started his banking career in commercial lending at ING Bank, in 2000 he became head of Credit Portfolio Management at NIBC and in 2007 he continued as head of Securitization at Credit Portfolio Management at BNP Paribas Fortis. In the last role he was responsible for several post crisis and Basel 2 compliant securitization transactions. Further he is the founding chairman of Global Credit Data, a global association of banks with the largest loan loss database in the world. He holds a MS in law from the University of Utrecht, the Netherlands.

Dr. Burkhard Heppe, Chief Technical Officer
Burkhard is a co-founder of OSIS. Before he was Managing Director at Bank of America Merrill Lynch responsible for originating and arranging structured credit related capital and funding transactions for financial institutions in Europe. He has been a principal investor in securitization transactions and distressed debt portfolios and has structured a number of first time asset securitizations (e.g. of project finance, aircraft and shipping loans). He holds a PhD in Applied Mathematics and Theoretical Physics from the University of Cambridge, England.

Tim Benschop, Head of product development
Tim graduated in 2015 with his thesis about the quality of the European securitization market. He wrote his thesis in combination with a part-time employment at Open Source Investor Services. After his graduation Tim became quantitative analyst at Open Source Investor Services. He holds a MS in Financial Economics at the Erasmus University Rotterdam.

Dr. Bernd Engelmann, Director and heading the OSIS office in ASIA
Bernd has 15 years experience in quantitative analysis and financial modelling. He has started his professional career at the Deutsche Bundesbank where he has worked in banking supervision for two years. Since then he works as a quantitative analyst and software developer for the financial industry. He has implemented loan pricing frameworks, economic capital models for ICAAP, and credit risk models for various purposes. Besides that he regularly holds public and in-house credit risk management training courses in Asia and Europe. He holds a PhD in Finance from the University of Vienna.

Xhezika Fezga, Quantitative Analyst
Xhesika started her professional career at Intesa San Paolo Bank where she worked as an Insight Data Analyst for two years, responsible for designing and implementing predictive statistical models, segmentation analysis, and data analysis. In 2016, she graduated with her master thesis on predicting company earnings, for which she received the Super Quant Internship Award for research excellence granted by Robeco. She holds a M.Sc. degree in Financial Economics from the Erasmus University in Rotterdam, and a BA (Hons.)in Computer Science and Economics from the American University in Bulgaria.

Dr. Gaia Becheri, Senior Quantitative Analyst
Gaia is a quantitative analyst with a broad background in econometrics and applied and theoretical statistics. Before she joined OSIS, Gaia has worked in the Risk Management department of Rabobank. Prior to that she has spent some years in the academia working shortly as a postdoc in VU University Amsterdam for the department of Finance and later as an Assistant Professor of Applied Statistics at Delft University of Technology. She holds a PhD in Econometrics from Tilburg University.

Jiawei Xu, Junior Quantitative analyst
Jiawei started her career in the financial industry as a software developer for stress testing investment portfolios. In 2017 she did a thesis internship with Robeco on measuring government bond value with yield curve modeling, for which she received the Super Quant bonus from Robeco for research excellence. She holds a MSc in Econometrics from Erasmus University Rotterdam.

Michael Hogers, Junior Quantitative analyst
Michael graduated in 2018 with his thesis about the PD and LGD relation for US mortgages. He wrote his thesis in combination with a part-time employment at Open Source Investor Services. After his graduation Michael became quantitative analyst at Open Source Investor Services. Michael holds a MSc degree in Quantitative Finance and gained consultancy experience at Zanders while finishing a BSc in Econometrics & Operations Research.

Daniel Hsiao, Junior Quantitative analyst
On the process of graduating from Master in Quantitative Finance at Erasmus University Rotterdam, Daniel joined as a quantitative analyst at Open Source Investor Service. Before starting at Open Source Investor Service, Daniel worked as research assistant in Erasmus Q-Intelligence and interned at Statistics Netherlands.

Philip de Koning, Junior Quantitative Analyst
Philip graduated in 2018 from a Master in Econometrics at Erasmus University Rotterdam. Philip did a graduate internship with the De Nederlandsche Bank, where he worked on a new model for forecasting energy prices. Before transitioning to econometrics, Philip obtained a Bachelor’s (Honours) degree in liberal arts and sciences, focusing on economics and political sciences.

Dr. Ir. Stéphane Pierret, IT infrastructure
Stéphane has been active in the field of software development for the last 18 years. Stéphane has been working as software developer, development team leader and executive manager. He managed teams of PhD and engineers up to 15 members for the development of challenging commercial software and was responsible of an international consortium aiming at building new commercial software. He developed applications for handling securitization data, to easily update and monitor securitized portfolio and generate reports. He also has a large experience in collecting user requests, writing software specifications, providing on-site or off-site training and support. Stéphane is a mechanical engineer holding a PhD in applied sciences.

Jason Cardinal, IT Infrastructure
Jason has a bachelor in software development with knowledge in system administration and network. He’s experienced with many common programming languages and technologies such as C, C#, Java, PHP, Tomcat, SQL, Cloud Computing, Ajax, Drupal, CMS Made Simple and Joomla. He’s experienced in data warehouse management and interface development.

Konstantin Ermakov, Quantitative Analyst
Konstantin holds Master of Science degree in Mathematics in St. Petersburg state University. He started his banking carrier as a front office developer in BNP Paribas, Germany. Since 2005 he is working as a consulter for the financial sector. In 2009 he obtained a Master of Science degree in Quantitative Finance in Frankfurt School of Finance and Management. His area of expertise is development and modeling Counterparty Credit Risk, Derivative Pricing and Interest Rate models.