Serving the New York City Metropolitan Area

Gizlen Consulting is a management consulting and coaching firm serving New York City and Northern New Jersey with a focus on business planning, organization, web design, strategic marketing, staff training, and intercultural understanding.

Our main clients are small and mid-sized companies that want to improve productivity by developing coherent workflows through lean guidelines, minimized reporting, and open communication. We educate entrepreneurs and business and non-profit leaders to set and reach realizable goals by offering know-how and best practices in policy development, financial controlling, management, leadership, and effective marketing stragies.

We are HubSpot Inbound Marketing certified.

HubSpot is the world’s leading inbound marketing and sales platform, and superior CRM system.

Why You Need An Expert

We have demonstrated and proven ourselves in the global marketplace and we make our expertise available to you in order to make the changes necessary to thrive in today’s business culture and to make an impact in your industry. Doing business from a worldly point of view takes much more than the run-of-the-mill consultant would know. How do you know that you are getting all of the information you need to succeed?

Customized Solutions You Can Count On

  • Globally acclaimed best-practices
  • Custom tailoring-We adapt to your business needs
  • A solution for the individual business not just industry
  • A detailed roadmap for success
  • Collaborative delivery – We work with you

What Custom Solutions Should Look Like

As CEO or Manager, you have a vision for your company or your department. You know where you want to stand in your industry and what your future should look like. You have developed an aspiration about a certain mindset, working style and the feeling of gratification that you want to experience. Yet, the path that will bring you there is not very clear.

When the future looks bright from a distance but you want to see it clearly, you call in those who can tell you what is over the horizon and how you can get there. There is more than one way to get to the destination that you desire but which one is the best one for you?

061912-07C Gizlen Sahap0153websiteCross-Sector Experience

Over the course of his 25-year career in in academic and administrative leadership, Sahap Gizlen has become known as a trusted partner among firms around the world who are serious about business planning, web design, strategic marketing, and improving institutional management through training and coaching.

With unparalleled expertise in cross-cultural organizations, few are more qualified for effectively bringing people and ideas together than Sahap. His workshops and business courses have helped hundreds of businesspeople, regardless of culture, language, or education level, develop the tools and skills necessary for succeeding in the information age.

Sahap is also known for his infectious energy and passion, which carries over into every aspect of his consultancy. As a highly-regarded educator, Sahap has taught upper-level courses in business, English, management concepts, and advanced grammar and communication. He has also designed curriculums dedicated exclusively to innovative career development, with a special focus on entrepreneurship in the 21st century.

columbia-universityBorn in Berlin, Germany, Sahap studied American Culture and Literature and holds an MPA in International Economic Policy and Management from Columbia University’s School of International and Public Affairs in New York City.

In addition to his extensive background in uplifting individuals and organizations in various industries, Sahap enjoys hobbies as a musician and film enthusiast, and loves keeping up with the latest developments in management, technology, and the intersections of personal development and economics.


Mr. Gizlen expanded his services into Koblenz, Germany in 2011.

Please contact us for more information.

View Sahap Gizlen's profile on LinkedIn