Steffen has many years of management experience from Mærsk, Deloitte and Ørsted, which he draws on to ensure the continued growth of GatewayAPI. In his spare time, Steffen appreciates food, wine, and sports.

In 1999 Thomas founded the company ONLINECITY.IO, which operates GatewayAPI. Today he is co-owner of the company as well as CEO for the omnichannel platform RelationCity, which is also operated by the ONLINECITY.IO team. Thomas values high quality and is 100% the biggest fan of our customers.

Birol has since 2001 been co-owner of the company ONLINECITY.IO, which operates GatewayAPI. Birol contributes with a flair for business development, strategy and customer care which he today uses on developing the subsidiary company, MyBase, which is a property rental business.

Martin is co-owner and CCO of the company ONLINECITY.IO, which owns and operates GatewayAPI. Furthermore, Martin is CEO of the IoT-platform NexCon.io, which is also operated by the ONLINECITY.IO team. Martin is a great team player and has a natural talent for sales where he enjoys getting familiar with every aspect of the customers’ businesses.

Morten has extensive experience in sales and customer service, which he has worked with for over 30 years. He is also a seasoned veteran in the SMS industry where he since 2008 has worked at several companies as Sales Manager. Leisure time is spent running and enjoying family life with a dog, guinea pig and robotic lawnmower.

Mads is passionate about optimization and together with Steffen R. Kræmmer he is in charge of securing the continous growth of GatewayAPI. Mads always strive to make a positive impact on both customers and colleagueas, which earned him an award at his prior workplace for being exceptionally positive and helpful.

As Financial Controller, Helena helps ensure that all books, receipts, payments etc. are in order. She also has a keen eye for optimizing processes in the finance department and implementing new systems. In her spare time, she loves to travel and spend time with friends and family, whether it’s going for a walk, a dinner, a game night or something else entirely.

Morten is a seasoned coder and old hand at front end development. Morten takes pride in creating great usability that upholds the most recent web development standards.

Mathias is always smiling and is a favorite among our customers. He is constantly ready to fix our customers’ problems and needs. Mathias is also a hardcore crossfitter who can do push-ups upside down and carry all of us out of the building should a fire occur!

Lasse has a background as a computer scientist, and has afterwards specialized in IT & information security. At GatewayAPI.com, Lasse manages a number of IT security-related tasks, including penetration testing and data security. Lasse also helps with the annual GDPR ISAE3000 audit and other certifications.

Building on years of experience from successful software startups, Jeppe tackles the hard software engineering challenges head on. Jeppe has a “lets get things done” attitude, and a proactive mind. He has a strong passion for science fiction and red wine.

At GatewayAPI all skills can come into play. As well as being a fantastic backend developer, Esben is also our in-house gin expert, who gets the office party going by serving extremely tasty (and strong) gin-based cocktails.

As Frontend Developer, Nicolaj helps develop our platforms, including RelationCity, where his focus is on accessibility and UX. Over the years, Nicolaj has gained considerable experience with a wide range of code languages ​​and systems, which he can use to help in different parts of GatewayAPI.com. His leisure time is spent coding side projects, gaming and cycling.

Tjalfe Møller’s focus is on our operations, where he has a penchant for automating – both the daily work and to ensure that potential problems are handled immediately. When Tjalfe is not toying around with advanced systems, he can be seen in a completely different setting driving a tractor on the family farm during harvest season. Allegedly, he is in the process of investigating how that task can also be automated to a greater degree.

Bue has a decade experience with operations, including Continuous Delivery (CD) and automation. He helps make sure that the foundations of our platforms are rock-solid where he among other things focus on scaling and automating infrastructure operations by applying his expert level understanding of Continuous Delivery principles. In his spare time, he is a major outdoor enthusiast.

Thor loves to explore new technologies and create state-of-art web applications and user interfaces. He is particularly passionate about interaction design, user experience and user-centered design. He has previously worked in the robotics industry, and otherwise likes to spend his free time on programming projects and classical piano when he has the time.

Felix is a seasoned coder and is especially adept at backend development. He has many years of experience from the SMS business where he has previously been employed at Link Mobility. In his spare time, he enjoys going on trips in his sailboat, dabbling with electronics, laughing at memes and spending quality time with his three children.

Mikkel is a Frontend Developer with a sublime understanding of user behavior and UI. These skills are used on a daily basis to develop and maintain our websites and to implement some of the many ideas that the Marketing Team and management come up with.

Tobias loves to build websites and bringing designs to life as well as ensuring a good user experience. At ONLINECITY.IO, the ambitions are high when it comes to websites, but this has not intimidated Tobias at all. He primarily spends his leisure time with gaming, photography, and small coding projects.

As Frontend Developer, Jamila is a key member in developing the best user experiences for NexCon.io, utilizing a modern tech stack built on Vue, TypeScript and GraphQL. In her free time, she describes herself as a “multi-hobbyist” as she enjoys everything from football and archery to nature photography and spray paint art.

Mark’s goal in ONLINECITY.IO is to give you the best experience possible on GatewayAPI.com via intuitive and smooth UX. In addition, he provides ongoing coordination on the marketing team.

Morten combines a penchant for copywriting with a great deal of technical knowledge in a number of areas, including SEO, Google Ads, Analytics, Facebook Ads, LinkedIn Ads and so forth, whereby he helps to ensure a steady customer influx. Leisure activities include do-it-yourself projects, book-reading and cultural experiences.

Mette is our in-house rhetorician and language nerd, and she ensures that ONLINECITY.IO’s communication is spot-on. When she’s not immersing herself in grammatical details and linguistic phrasing, she spends her spare time playing card games, going to coffee bars and enjoying cultural experiences.

In addition to being a great gamer, Jack has a keen sense on how to design modern and good-looking interfaces, which benefits all of our platforms. In other contexts, Jack is used to being teased for rooting for Chelsea F.C., but has quickly learned that at GatewayAPI, it matters a whole lot more which team you root for in CS:GO!

At GatewayAPI, our goal is to have the world’s best support department, and Jeppe is the man who every day helps out to make sure we reach that goal. You can always find Jeppe on our support chat. Go on. Try sending him a message and check for yourself.

Our customers love Kenneth for his eternal zeal to provide the best and most optimal support. Kenneth is so dedicated that he has developed his very own setup with a special keypad from which he can perform quick support.

With a service commitment beyond the ordinary, Madss makes sure to help our customers with big and small things. His tone is cheerful, while he also makes a point of providing support with as much professionalism and presence as possible. His free time is spent at concerts and festivals, as well as gathering the courage to try bungee jumping one day.

Nadia takes pride in making our customers feel as empowered as possible. One of the most important things for Nadia when she onboard new customers is to make them feel safe throughout the process. That also means that she is always ready to answer questions, and help customers get out of a gridlock. When Nadia is not helping our customers, she enjoys her free time with her dog, Jeppe.

Sean helps a wide range of customers on a daily basis and ensures that they get a smooth experience at GatewayAPI. In his spare time, he enjoys spending time with his family and friends.

Anika is employed as a sales supporter and assists the sales team with pipeline management, where she helps keep track of the many leads that come in on a daily basis.

Anna keeps track of all the numbers at ONLINECITY.IO, and peruse them every day with a fine-toothed comb to ensure that everything adds up. If you hear from Anna, it’s probably due to an overlooked payment.

Oliver assists in the accounting department, and helps make sure that the bookkeeping and reporting is in order. He is currently studying a bachelor’s degree in Business Economics, and in his spare time he likes to both play and watch football. At the office, he is known for creating a pleasant vibe.

As Student Assistant in Development, Oliver focus on integrations, and is the man to go to if you need an integration with your preferred system. When he is not working at GatewayAPI, he studies Software Technology at DTU with a focus on AI and Deep Learning. In addition, Oliver generally just enjoys working with code, whether it’s AI or something more down-to-earth, such as GUI or backend software.

As Student SEO Specialist, Anders helps optimize our rankings on Google and other search engines, while also making sure that we are up to date with the latest trends in the SEO field. In his spare time, Anders enjoys sports, especially football and golf, as well as being with friends and family.

Sami is in charge of creating video content that can aid you in setting up various integrations, features, plugins etc. Sami has previously been employed as Lead Video Producer at an esports company, and loves to use his skills to create catchy educational and promotional videos for GatewayAPI. 

Danila is extremely skilled in UX design and has an amazing ability to combine beautiful design with high usability – they actually don’t have to exclude each other. Danila has settled down in Denmark but has over the years worked for countless brands abroad.

After several years of Red Bull induced self-employment, Hans joined our team in 2006. Hans is the architect behind GatewayAPI.com, and a gifted C++ & Python Software Engineer. Although he changed to another position, he still serves in an advisory role and checks in for coffee from time to time.