Born in Silicon Valley
Built to Win

About BlackStone Discovery

Company History

Your outcomes are our top priority

Shaped by time-tested relationships with high tech firms in the heart of Silicon Valley, our vision of eDiscovery is informed by some of the most innovative companies and law firms in the world.  Your outcomes depend on our ability to

1. Listen to and understand your matter objectives

2. Provide proactive, cost predictable, and transparent solutions, and

3. Provide expert advice that gives you a competitive advantage.

Headquartered in the heart of Silicon Valley, our clients live in the dynamic and innovative world of high tech. Keeping pace in the high-tech world means an ongoing evaluation of the people, process and technology required to optimize eDiscovery outcomes for our customers.

We listen, respond, and innovate with your current and future needs in mind.

As your eDiscovery Services Partner, you can rely on BlackStone for transparency, collaboration, expert knowledge, and eDiscovery leadership. With over a decade of service and innovation experience, we have what it takes to anticipate your ligation needs and the scale to meet you demands. We welcome the opportunity to show you the difference.

Blackstone introduces LineOut, the industry’s fastest automated native excel redaction tool, redacting thousands of excel spreadsheets within hours.
BSD introduces the Early Litigation Intelligence (ELI) Report and the Case Closing Memo, each designed to give clients easy-to-digest insights and summaries of their data, both before and after a matter.
BlackStone integrates Artificial Intelligence into its eDiscovery workflows with the deployment of BSDbot.
BlackStone expands its knowledge and personnel to create Information Governance solutions via its IG|LR Consulting Division.
BlackStone introduces Linkstone, a proprietary new project management platform. The integration of all operational intelligence and knowledge into a single place allows clients to maintain complete control over, and transparency into, their matters. BlackStone integrated Artificial Intelligence into its eDiscovery workflows with the deployment of BSDbot.
BlackStone masters early iterations of predictive coding to review 1.5 million documents for under $100,000. (New York Times)
BlackStone introduces the industry’s most predictive billing model with its subscription fee solution. Clients are now able to access “in-house capabilities without the overhead.”
BlackStone Forensics Division is created, making BlackStone one of the few eDiscovery partners able to offer cutting-edge forensic collection and analysis services.
BlackStone Discovery founded as a company in Silicon Valley, nationwide and internationally.

Executive Team

John P. Kelly


Derek M. Duarte, Esq.


Judson Holt

Vice President of Sales

Parkash K Khatri

Director of Discovery Services

Thomas Gersey, Esq.

Director Client Solutions

Bryce M. Welke

Director of Forensics

Minh Tran

Vice President of Operations

Danny Cheun

Solutions Architect

Pardeep Johal

Business Manager


Join our team!

Please contact us if you have any questions.

To submit your resume, click here.

Community Outreach

BlackStone Discovery is committed to the community and values its relationships with local organizations and businesses. BlackStone consistently contributes pro bono services to a number of local groups. Below is a partial list of the groups that BlackStone Discovery supports each year. BlackStone Discovery has found it a pleasure to be continually involved in the local community in the following ways:

  • Sponsor of the 2012 Carmel Valley eDiscovery Retreat
  • Sponsor of the 2012 CLSEPA Annual Celebration Gala
  • Sponsor of the 2011 California Alliance of Paralegal Association in San Francisco
  • Founding sponsor of the 2011 Carmel Valley eDiscovery Retreat in Carmel

  • Sponsor of the 2009 Women in E Discovery Event held at Goodwin Proctor in San Francisco
  • Sponsor of the 20th Annual PAABA Golf Tournament
  • Yearly co-sponsor of the Howrey baseball team
  • Host of free informative seminars for our clients, at their location or ours, where we make our team available as a resource for e-discovery trends and industry knowledge


“Cost is never an issue when dealing with BlackStone, they are always focused on the smartest way to solve a problem.”

Partner, K&L Gates