Firm Director David L. Isabel Highlights Modern Counsel Profile of Lumen Technologies Senior Attorney Vann Ellerbruch

July 14, 2026
tisslaw.com

“I’ve known Vann for many years,” said David L. Isabel, referring to Lumen Technologies Senior Attorney Vann Ellerbruch. “It’s gratifying to see his career path and accomplishments recognized in Modern Counsel.”

As Chair of the Environmental Law practice at Trenk Isabel Siddiqi & Shahdanian, PC, Isabel works closely with Ellerbruch as outside counsel to Lumen Technologies on a range of environmental matters. “From early on, Vann was drawn to environmental restoration projects and focused his legal studies on environmental and natural resources law,” Isabel added. “Today, he brings that foundation to bear across corporate, consumer, and environmental litigation, while thoughtfully leveraging eDiscovery tools to drive efficiency and alignment across teams.”

We invite you to read Vann Ellerbruch’s profile in Modern Counsel, available here.

As Isabel notes in the article: “Working with Vann is a rewarding experience. He is smart, thoughtful, diligent, and responsive. He asks the right questions and provides practical guidance that moves matters forward. His strategic perspective is invaluable as we align our approach with Lumen’s legal and business objectives.”