European Investment Team
Gijs Koning
COO - Europe

- Portfolio Management, Product Development, Tax and Accounting
- Founded Think ETF's together with Martijn Rozemuller
- Think ETF's was acquired by VanEck in 2018 and has been rebranded and fully integrated into VanEck in November 2019
- Prior to joining was a Partner at trading company Optiver and worked at Kempen
- Master's Degree in Financial Economics

Aaron Renkers
Head of Investments

- Responsible for development and management of index replication and optimization strategies for Equity and Fixed Income ETFs
- Joined Think ETF's, now part of VanEck, in 2013
- Master's Business Economics, Finance at University of Amsterdam

Ernst Lowensteijn
Senior Portfolio Manager

- Responsible for management of index replication strategies, trading and researching portfolio performance for Equity and Fixed Income ETFs
- Joined Think ETF's, now part of VanEck, in 2015
- Master Financial Economics Erasmus, University Rotterdam
- Bachelor Economics and Business, VU University Amsterdam

Floor Klarenbeek
Head of Capital Markets Europe

- Responsible for fair order execution for all European VanEck products. Monitoring spreads, liquidity & market activity is his main priority. He is also responsible for relationship management with market makers, exchanges and other business partners
- Joined Think ETF's, now part of VanEck, in 2016 where he started as an ETF Portfolio Manager. In 2021 he switched to Capital Markets
- Prior to joining was a Sales Representative at Binckbank
- Bachelor Business Economics, Utrecht University of Applied Sciences

Vivian Simonis
Senior Portfolio Manager

- Responsible for management of index replication strategies, trading and researching portfolio performance for Equity and Fixed income ETFs
- Joined VanEck in 2018
- Master's Finance & Investments, Erasmus University Rotterdam
- Master's European Business Law, Radboud University Nijmegen

Rob Uelderink
Portfolio Manager

- Working on trade execution and settlement, portfolio performance and other portfolio management tasks for Equity and Fixed Income ETFs
- Joined VanEck in 2020
- Master of Science in Financial Economics, Erasmus University Rotterdam
- Bachelor in Liberal Arts & Sciences, double major in Economics & Business, Erasmus University Rotterdam

Hjalti Stefansson
Portfolio Manager

- Responsible for management of index replication strategies, trading and researching portfolio performance for Equity and Fixed income ETFs
- Joined VanEck in 2021
- Master of Science in Financial Economics, Erasmus University Rotterdam
- Bachelor of Science in Economics and Business, University of Amsterdam

Dinand Ruyter
Junior Portfolio Manager

- Responsible for management of index replication strategies, trading and researching portfolio performance for Equity and Fixed income ETFs
- Joined VanEck in 2022
- Master of Science in Finance, Tilburg University
- Bachelor of Science in Business Economics, Tilburg University

Jochem de Haan
Junior Portfolio Manager

- Responsible for management of index replication strategies, trading and researching portfolio performance for Equity and Fixed income ETFs
- Joined VanEck in 2022
- Master of Science in Finance, University of Amsterdam
- Bachelor of Science in Economics and Business, University of Amsterdam

Luciano Raar
Junior Portfolio Manager

- Responsible for management of index replication strategies, trading and researching portfolio performance for Equity and Fixed income ETFs
- Joined VanEck in 2022
- Master of Science in Finance, University of Amsterdam
- Bachelor of Science in Business Administration, University of Amsterdam
