About Us


SaGo develops next generation software solutions for compliance and information governance.


To build practical solutions that make a meaningful impact on helping our customers do their jobs and accomplish their goals.


Elegant, smart, secure, scalable, and offered as a service‌.


Innovators, engineers, lawyers, project managers, and customer service professionals‌.


Legal, compliance, human resources, global audit, information governance, GRC‌.


Tech-enabled service providers in legal and compliance industries.



Founder & CEO

John is a repeat founder and CEO with over 20 years of experience providing services and technology solutions to law firms and in-house legal departments. In 2003, he founded Black Letter Discovery (BLD) which was an early pioneer in optimizing outsourcing through onshore delivery, workplace happiness, and process and productivity management. BLD was acquired by private equity, and is recognized as having created practices for large scale review that have been adopted across the industry. He went on and founded the managed review division of Advanced Discovery, which drove the company’s growth before being acquired by private equity; and then co-founded Managed Discovery to provide ediscovery infrastructure fully outsourced and managed to leading companies and law firms. In 2016, John founded SaGo to provide software applications designed for smarter compliance and information governance. He holds degrees from UCLA and UC Hastings College of the Law, and is a member of the California State Bar. He is a founding advisory board member of The Institute of Entrepreneurial Leadership at JFK University, and was a mentor for AT&T’s Operation Hand Salute. He currently sits on the board of directors for International Sanctuary (www.isanctuary.org), a global non-profit providing hope and dignity through meaningful employment, job training, and work experience to girls and women escaping human trafficking.




Bill Bien is currently the Chief Strategy and Marketing Officer for Philips Lighting. He is a CEO and global senior-level marketing executive with 25 years of measurable success, including leading multi-million dollar profit-driven consumer and enterprise marketing, brand repositioning, corporate development and sales strategies for Fortune 500 companies, including Cisco Systems and Telstra.



Christoph Glaser is a senior global executive with multi-functional expertise in financial services and the energy industry. He is currently CFO & COO of Home Credit, and formerly served as CFO of GE Hydro and GE Money.



Charles is a repeat founder and investor who has sold three companies, including two to Facebook. He is also an active angel investor and advisor, focused especially on AI companies in the health, manufacturing, physical infrastructure, and enterprise.



Olga V. Mack is a startup advisor, nationally-recognized author, public speaker, award-winning general counsel, women’s advocate, and entrepreneur. Most recently she served as General Counsel at ClearSlide, a leading sales and marketing engagement platform. In the past, she has held various legal roles at Visa, Zoosk, Pacific Art League, Wilson Sonsini, and Yahoo. She earned both a B.A. and J.D. from UC Berkeley.



Maria Zelies specializes in legal and compliance for a broad range of industries. Maria was most recently general counsel at a US registered advisor, and was formerly practicing law at Dewey Ballantine, Weil Gotshal and Credit Suisse. Maria holds a B.A. from UCLA, a J.D. from UC Berkeley School of Law, and and a M.Sc. from the London School of Economics.