"Ben is a widely respected leader in his field and has a unique ability to quickly learn customer needs and relate those to a deeply technical product," said Wisr CEO Anthony Nantes.
"His experience across all stages of the product life cycle, from analysing and formulating a market approach to building and delivering innovative tech-driven solutions that create amazing customer experiences and services, is remarkable."
Berger joins Wisr from The Iconic, where he most recently serviced as director of internal product management and IT.
He previously worked as director of product management for cloud solutions at Dimension Data (now NTT), senior product manager at Integrated Research, and senior product manager at IBM Software.
Berger holds a bachelor's degree in psychology from the University of Manchester, a postgraduate diploma from the University of Oxford, and a master's degree in industrial and employment psychology from Haifa University.
Sussman joins Wisr from a similar role at Social Ventures Australia.
"This is a fantastic appointment and real coup for Wisr. Lili's extensive experience in customer-centric innovation, strategy, and transformation is a truly exciting opportunity for the business, our stakeholders and customers," said Nantes.
"Her passion for problem solving complex social issues and developing evidence-based social change strategies will be integral in delivering Wisr's vision to improve the lives of Australians through financial wellness. Her role will focus on M&A, both organic and inorganic growth, and helping us build a truly innovative company of real impact for all Australians."
Sussman previously held various senior positions at Commonwealth Bank, and worked as a consultant and project leader for Boston Consulting Group, an analyst at QVT Financial, and as business development director at LuSun Wyatt.
She holds a BA in philosophy, politics and economics from the University of Oxford, an MA in East Asian studies and political economy from Yale University, and a MA and PhD in political science and government from Harvard University.
Sussman also acts as a mentor for Telstra's muru-D accelerator.