our credo: agility

Ante Trbara is Managing Director and Founder of OG Consultancy Services GmbH and also works as their Principle Consultant.

After studying business informatics, he worked as a Consultant for various companies, including as Line Manager for 8 years , IT Project Manager and Program Manager at DHL.

He draws on years of experience as a manager with project, personnel and cost responsibility in the international environment and continiously provides new projects and tasks through his work experience with our customers.

areas of expertise

Business Intelligence // Sourcing Strategy // Agile Strategy

Burns in his personal life for everything that has to do with the round leather ball; is a passionate supporter of the Eintracht Frankfurt, Hajduk Split and as a native Croatian he pretty much is in constant sports fever. Together, he and Markus Schmelzle have acquired the handball coaching license to ensure a successful future for this sport.

„Any difficult situation you master now will be spared in the future.“

Dalai Lama

Markus Schmelzle is founder and CFO of OG Consultancy Services GmbH. His responsibilities include controlling, HR and related administrative tasks.

He is the main contact person for all topics in the company and thus forms the counterpart to his partner Ante Trbara, whose main task is working directly with our customers.

areas of expertise

Consulting // Projektmanagement // Finanzen // Personal // Scrum Master // ITIL

From early childhood, playing ball is his great passion. From soccer, tennis, table tennis and handball he has tried everything in the club and has remained loyal to the sport of handball. He can look back on many successful years in Willstätt and Oberkirch. Handball has not been adequately replaced with occasional ski trips and irregular gym stays.

„Really good friends are people who know us very well, and still stick with us.„

Marie von Ebner-Eschenbach

Michael Heyde is a Senior Consultant and has been a member of OG CS since 2014.

After studying physics and getting started in Fortran77 and MODULA-2, he discovered his enthusiasm for computer technology and has been working in the IT consulting industry ever since 1993.

areas of expertise

Agile Requirements // Management // Scaled Agile Frameworks // DevOps // IT Sourcing Strategies // Tendermanagement

Unless it says DUCATI, it's not a motorcycle. Is a passionate hockey viewer and an active windsurfer and SUP paddler.

„Only the ideas that we really live have any value.“

– Hermann Hesse, Demian

Dominik Gross started as an intern and has been working as a consultant in the OG Consultancy Services team for some time.

After successfully completing his banking education as a financial assistant, he decided to study applied computer science. Dominik was already part of the team during his studies, when the decided to complete his internship semester with OG CS.

Thanks to his experience in consulting and in computer science, he can combine both areas in the best way possible.

areas of expertise

Agile Consulting // Scaled Agile Framework // Service Delivery // Veeva Vault

He fulfills the unofficial acceptance criteria of the company since his youth as a handball player at TV Willstätt. But outside of the hall, he also shows interest in all kinds of sports.

„Every day brings its gifts. You just have to unpack them.“

- Albert Schweitzer

Kristian Prnjic works as Senior Consultant at OG Consultancy Services.

He started his career as a dual student at the Deutsche Post DHL Group.

Following his studies Kristian changed to OGCS and has been working in various cross-cultural industries ever since.

His professional focus is the agile software development, whose methodology he lives and teaches both in the company and with customer.

areas of expertise

Agile Software Development // Business Process Management // Outsourcing

Unfortunately with no achievements in the sports field, Kirstian is quite ready to elbow fight on the first day of sale of new Apple devices (and to win). Another regular guest of Croatian fan miles throughout the republic.

„Great things in business are never done by one person. They're done by a team of people.“

- Steve Jobs

Johannes Heffner became part of our OGCS family in 2013 and brings in his expertise as a consultant in various customer projects ever since.

After passing through the talent school of Offenburg University, Johannes' competencies in various IT projects are in demand espeically in the area of IT service management and service delivery. He is also a specialist in all matters related to Veeva Vault.

areas of expertise

IT-Service Management // Service Delivery // SAFe // Veeva Vault

Ball or winter sports, Johannes shows great passion in both disciplines. Is an enthusiastic Werkself fan and does not miss a major sporting event on TV.

„Resolve never to quit, never to give up, no matter what the situation.“

- Jack Nicklaus

Azad Mamkalo works as a consultant for OGCS.

After studying business law, he learned his trade tools for 8 years at one of the major Big Four companies before joining OG CS in 2016. He was able to gain a lot of project experience through various roles in large as well as small projects.

areas of expertise

Agile Consulting // Scaled Agile Framework (Safe)

Already during his active days and even now he paved his way in the hobby kick as an outstanding goalkeeper that gave the team security in the game. He also learned to bite through in various disciplines of martial arts.

„Happiness is when what you think, what you say, and what you do are in harmony.“

- Mahatma Gandhi

Till works for OG Consultancy Services as an IT Consultant and currently works mainly as an expert on the document management system Veeva Vault.

After studying sociology, political science and media studies at the Universities of Düsseldorf and Bonn it has brought him back to the field of information technology, an area he has been passionately connected to since childhood.

areas of expertise

Veeva Vault // Service Delivery // Scrum Master // SAFe

In his personal life, he rather likes to avoid balls and prefers the ski slope and the trekking bike as far as sports go. But most of all, he spends his free time traveling to different parts of the world, from the Middle East to Latin America.

„A person with a new idea is a crank until the idea succeeds.“

- Mark Twain

Kevin is a Consultant and since 2018 an employee of OG CS. After studying computer science at TU Darmstadt, Kevin immediately started working in the IT consulting industry as a developer. There he found the enthusiasm for consulting combined with development that drives him to this day.

areas of expertise

Software Architecture // JavaEE Development // Agile Development (SAFe/Scrum) // Software Design // DevOps

Great friend of the (beach) volleyball, ambitious swimmer and an enthusiastic NFL viewer. Furthermore, a passionate craftsman to create small to medium-sized crafts & construction projects to create an optimal work-life-balance.

„Only those who know their destination will find their way.“

- Laozi

In 2014 Tomislav ventured the step from Croatia to Germany. As an on-site coordinator, he already gained important experience at Deutsche Bahn and acted as an interface between the customer and Croatian service providers.

Tomislav is currently responsible for service delivery with a focus on company services, project management and maintenance.

Tomislav is fluent in Croatian, English and German.

areas of expertise

Agile Consulting // Service Delivery

Handball has been his life since 2003. Currently captain of the TV Oberkirch and plays on position back space center. In short, sports fanatic.

„If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.“

- Martin Luther King