Our People


Jonathan Tanz

Principal Consultant

Jonathan Tanz is an HR service delivery and technology specialist who is passionate about helping clients address their global, enterprise-wide, business transformation initiatives with a focus on increasing business value. He works as a trusted business partner, enabling clients to achieve business transformations through HR service delivery model design, process optimization and technology deployment. Jonathan has over 20 years’ experience working with HR strategy, operations, shared services, outsourcing and technology, helping Fortune 500 organizations align HR and service delivery model initiatives achieving their vision for strategic improvements. As a Principal Consultant in ISG’s HR Business Operations and Technology Adoption Practice, Jonathan brings a unique ability to simplify complex implementations, driving successes aligned through the intersection of HR processes, operating models, technologies and automation, organizational alignment, and change management enablers for global organizations.