Before Martijn van Rheenen became CEO of Perpetual Next, he was the founder and CEO of Momentum Capital. Momentum Capital has established several international companies, including companies in the energy and infrastructure sectors, with a combined value of around €475 million. In 2012, Martijn initiated the first investments in upgrading organic residual flows. He oversaw the founding of several companies in this sector, which now have ten production facilities in Europe. These activities were merged into Perpetual Next in 2019 and 2020.