Ryan Slack Chief Executive Officer
ryan@greenpearlevents.com
(646) 862-9389
Ryan is CEO of GreenPearl Events and GreenPearl.com, as well as co-founder and former CEO of PropertyShark.com. Ryan was named one of Crain’s New York Business 40-under-40 rising stars, as well as one of New York Magazine’s 200 most influential New Yorkers. Ryan has an MBA from Stanford Business School and specializes in marketing, technology, events, and real estate. Contact Ryan regarding speaking and sponsorship opportunities, as well as our private-label events. Ryan was once nearly killed by a runaway boulder in Sequoia National Park.
Tammy Jean Weiss
COO & Event Management
tammy@greenpearlevents.com
(646) 862-9397
Tammy is responsible for all relationships with conference venues and related vendors, as well as day-of logistics and event management. Tammy has an extensive background in event planning, having previously worked for IQPC, Opal Financial Group, and Impact Communications, as well as running her own wedding planning business. Contact Tammy regarding event venues, event vendors, on-site logistics, or career opportunities at GreenPearl Events. Tammy’s favorite dessert is a white vanilla sundae with rainbow JIMMIES on top!
Abel Devis
Business Development
abel@greenpearlevents.com
(646) 862-9393
Abel is our audience development specialist in charge of identifying who would be best suited to attend each event, executing outreach via phone and email, and handling all aspects of the registration process. Abel has honed his expertise through positions in frontline sales, customer service, and database management. Contact Abel for questions regarding registration, exhibiting, and advertising.
Nima Negahban
Board Member
nima@greenpearlevents.com
(240) 394-9651
Nima is a co-founder of GreenPearl Events and serves as an active member of its Advisory Board specializing in technology. Nima strives to equip and enable the GreenPearl team with the latest in technology tools and knowledge. Nima is a burgeoning mogul in the world of high-frequency trading.
Mark Schacknies
Board Member
mark@greenpearlevents.com
(703) 216-0386
Mark is a co-founder of GreenPearl Events and serves as an active member of its Advisory Board. He brings a unique perspective as a operator within the industry, and helps to identify critical discussion topics for GreenPearl Events. Mark runs Walnut Street, a residential development and investment firm in Washington DC. Mark is also a screenwriter, but no film credits yet.
