Ivan Volchenskov, CEO of RentSoft, gave a talk on what it means to be an entrepreneur. He discussed RentSoft, which provides cloud billing solutions. He emphasized that being an entrepreneur involves many challenges like mistakes, hard work, and pivoting ideas based on feedback. Ultimately, it is a long process of building a product, getting sales, rethinking based on customer input, and repeating cycles of improvement. He advised the audience to focus on resolving pain points, catching emerging trends, building a strong team, and partnering with others.