Mario Derstroff
Mario Derstroff, Management Consultant, is a member of the PLM Competence Team. He studied communications engineering and earned an MBA; since 1997, he has been working in the telecommunications industry. After holding positions at o.tel.o and Arcor, he joined Detecon in 2007. The major focus of his work is on process management, IT architecture, and IT purchasing.
Send e-mail


Sergei Holmeckis
Sergei Holmeckis is a Consultant in the Group Telco Effectiveness & Product Lifecycle Management and specializes in the fields of innovation management, product development, and product lifecycle management. Before starting his career, he earned a degree in business administration at the Westphalian Wilhelms University in Münster and gained international experience in a number of telco projects.
Send e-mail


Tobias Kares
Tobias Kares – holder of a commercial degree with a major in controlling – has been working in the consulting field for more than six years. He has been a Management Consultant and a member of the PLM Competence Team since 2008. His primary tasks revolve around product meta-models, product development, and product lifecycles. Before coming to Detecon, he worked on corporate projects related to the topics of fast close and Sarbanes-Oxley Act at Deutsche Telekom AG for four years.
Send e-mail