Roeland Jongejan Posted on October 5, 2023 at 9:03 am.Written by Roeland Jongejan A successful marketing campaign, to me, is one that comes across as honest and sincere. DSI provides me with the opportunity to carry out my work as a marketer with these values, and I enjoy it daily while also continuing to develop myself. DSI’s pursuit of an ethical and knowledgeable financial sector is not just a significant professional challenge for me as a marketer, but it also gives me the opportunity to make a real difference in society. It’s a unique and engaged combination.