Managing Directors
Don Harder is a founder and Managing Director of Arc Partners, with more than twenty years of consulting and industry experience.
He has a successful track record in all aspects of technology management and strategy alignment. His work with senior executives
and board members of financial services, media and entertainment, manufacturing and distribution companies has consistently
resulted in business process and technology solutions that deliver real value to current and future operating models.
Brendan O'Sullivan is a founder and a Managing Director of Arc Partners.
He has extensive experience in planning, designing and implementing critical process and technology solutions for global financial services companies. In more than twenty years of
consulting and management experience, most recently as the Chief Operating Officer for Global Technology at JP Morgan, he has
consistently brought high value and demonstrable results to his employers and clients. Brendan has presented extensively on the
topic of technology value management.
John Marinelli is a Managing Director of Arc Partners, with more than twenty years of consulting and management experience focused on delivering business and technology solutions to senior
executives. He has an extensive background in all aspects of technology planning, design, implementation, and support for companies in the financial
services sector. John has managed large-scale projects in areas such as Technology Architecture Design, Business Continuity and
Disaster Recovery Planning, IT Management Practices Improvement, Customer Relationship Management, and Technical
Infrastructure Standardization. Having worked as a senior IT manager at global financial institutions prior to joining Arc enables John
to have a strong hands-on understanding of the challenges and opportunities his clients are presented with on a day-to-day basis.