Leadership Team

Eric Castelli
Mr. Castelli Graduated Summa Cum Laude with a degree in MIS from St. Louis University and has held numerous technical leadership roles for more than 15 years. Mr. Castelli was also the co-founder and CTO of SAAS-based email compliance monitoring firm LashBack for 7 years with successful exit. Mr. Castelli is a US Patent holder, father of 3 and lives in Columbia, IL with his wife, Courtney.
Tim Kastner
Chief Sales Officer & Co-Founder
Mr. Kastner has been a sales leader in technology for more than 20 years. He was the co-founder and Vice President of sales for Blade Technologies for 7 years with eventual successful exit. Subsequently, Mr. Kastner acted as Sales Director of SAAS-based email compliance monitoring company LashBack. Mr. Kastner is the father of 2 children and lives in Fenton, MO with his wife Tammy.
Shane Caskey
Chief Operating Officer
Shane oversees customer experience – from onboarding to their campaign success. He also works to ensure that ReachDynamics has the strongest data sources in the industry, for unparalleled matching in our email remarketing and direct mail retargeting. Previously, Mr. Caskey worked with Magellan Health Services and compliance monitoring company Lashback.
Johnathan Barnes
Chief Operating Officer & Co-Founder
Mr. Barnes received his MBA from the University of Missouri-Kansas City. He has been focused on the online advertising space since 2007, starting with AdKnowledge. Since his tenure with AdKnowledge, Mr. Barnes has advised several startups in areas of marketing, business development, and monetization strategies. Mr. Barnes lives in Kansas City, MO.
Danni Eickenhorst
Chief Marketing Officer
Danni Eickenhorst is an award-winning social and digital marketing expert. She heads up the marketing and public relations efforts of ReachDynamics. As CEO of Blank Page Consulting, she previously oversaw marketing for organizations including The Salvation Army of Greater St. Louis, Great Rivers Greenway, Made for Freedom, and the OASIS Insitute, among others. She received the 2016 HBA Award for Social Media Marketing and Governor Jay Nixon’s 2014 Inaugural Leadership Award for her work on his 100 Missouri Miles campaign. She has been recognized as one of St. Louis’s “People on the Move,” by the St. Louis Business Journal. She serves as an Advisory Member of the St. Louis Social Media Club, and on the Sales & Marketing Committee for the Home Builders Association of St. Louis & Eastern Missouri.