Services by Platform
What we do
As a leading provider of managed cloud services for email, fax, SMS and EDI, we offer maximum quality, security and innovation for your messaging applications. More than 4,700 global companies in different industries and sizes trust Retarus with their business communication processes.
Business messaging services for desktop and mobile devices can seamlessly integrate into your IBM Notes/Domino, Microsoft Windows - Office and Exchange - environments. This gives you speed, efficiency, and maximum usability without the need of an in-house fax server or SMS gateway, making it key for your VoIP strategy.
Retarus data centers adhere to the most stringent privacy laws, offering innovative email management, audit-proof archiving, end-to-end virus-free and spam-free email communication with gateway-based encryption.
Flexible, needs driven and transparent global communication by email, fax, SMS and EDI to and from SAP or any other business application without the need of a dedicated infrastructure. Not only is it reliable, it's also secure and PCI-DSS certified.
Intuitive broadcast services that cover every email, fax and SMS need for efficient business communications. Our services enable fast and simple communication processes for marketing, IR and PR departments, staff and associations.
Services by Technology
IBM Software & Consulting
Retarus Management Board
Retarus North America Executives
Stefan Rath is the President of retarus Inc. After earning a law degree at the University of Passau in Germany and a Master's Degree in International Business at Boston University, Stefan worked for an international law firm and investment banks in Italy and Switzerland.
EVP Global Accounts
Tim Valentine serves as retarus Inc.'s EVP Global Accounts. Tim is a seasoned leader who brings over 10 years of management experience to Retarus. Before moving to Retarus in 2011, Tim worked as the Regional Vice President for Xpedite Systems in New York City, a division of PGi, where he ran the Eastern and Southern regions of North America. Prior to joining Xpedite, Tim worked for two-market leading telecommunications companies; his most recent experience at MCI, where Tim was responsible for direct sales in Philadelphia for Enterprise Accounts.
EVP Sales North America
Dan Warren is the EVP Sales North America of retarus Inc. Dan holds an MBA in Finance from Suffolk University and a BS in Management with a minor in Accounting. He has over 15 years experience in the telecommunications industry. He has held executive management positions for Network Plus and Broadview Networks. He is also the former CEO of a telecom agency business. Most recently, he held the position of Partner Area Director for XO Communications in which he was responsible for $200 million in annual partner revenue and for 50% of XO’s national channel partners. Dan sits on carrier advisory councils for several national distributor master agencies.
Johannes Hecker // Treasurer, Secretary
Martin Hager // Chairman of the board
CEO Retarus Group
Martin Hager is the CEO, founder and managing director of retarus GmbH. Prior to the creation of Retarus in 1992, Martin Hager studied Computer Science and Economics at the Technical University of Munich and the University of Hagen, Germany. He has worked with several global companies in various positions including sales, product management, development, support, and consulting, all of which gave him the vision and drive to turn retarus into a global leader in messaging services. Martin currently serves as the Chairman of the board for retarus Inc.
COO Retarus Group
Johannes Hecker joined Retarus in 1993 and has since held positions in Sales, Financial Controlling, as Assistant to the CEO and as CFO. As COO he heads the Group’s Global Sales and Marketing organization in eleven countries, and is also responsible for Strategic and Commercial Business Development. He spent several years in the US studying at the University of Virginia and holds a degree in Business Administration from Munich University of Applied Sciences. Prior to Retarus, Johannes worked in Controlling, Business Development and Contract Management at Betaresearch, a Kirch Group company.
CFO Retarus Group
Sascha Wellershoff joined Retarus in 2014. He is the CFO and heads Retarus Group’s Finance, Controlling, Procurement and Legal departments, and reports to the COO. Following key management positions at Mannheimer AG Holding and the Allianz Group, he was responsible for the financial performance of Telefónica Germany’s B2B business. Sascha holds a German MBA and a Master of Arts and is a Certified Financial Analyst, a Certified Valuation Analyst, and member of various professional associations.
Bianca Bacher joined Retarus in 2005. She is the HR Director and reports directly to the CEO. Bianca has constantly been engaged in expanding the HR department to enable the group’s international growth. Bianca studied Business Administration in Munich and Beijing. Prior to joining Retarus, Bianca was part of BMW's Recruitment Marketing team and Infineon Technologies' Personnel Development department.
messaging services since 1992