Author

Feyzi Çelik is the founder, President and CEO of OnePIN®, an industry visionary, and an inventor at heart. He revolutionized digital services and platforms that enable mobile operators and brands to communicate with their customers more effectively.

Çelik has innovated the exchange of digital business cards within mobile phones, allowing subscribers to grow their phonebooks and enrich their social networks.

He pioneered an interactive messaging service triggered upon a missed call and transformed mobile marketing by deepening operators’ and brands’ relationships with subscribers through an interactive, meaningful channel.

Under Çelik’s direction, OnePIN partners with leading mobile network operators and global brands to bring OnePIN’s cutting-edge technologies to mobile phones.

Çelik raised over $26 million in funding for OnePIN from four venture capital firms: Stage 1 Ventures, QKA, L.P., Egan Managed Capital, and Greycroft Partners.

Prior to founding OnePIN, Çelik served as President and CEO of the North American division of Koç Group, a $70 billion Fortune Global 500 company.

Çelik holds a master’s degree in business administration with high distinction from the Babson College Graduate School of Business, a master’s degree in mechanical engineering from Boston University, and a bachelor’s degree in mechanical engineering from the Middle East Technical University (METU) College of Engineering.

He is the recipient of the Babson College W.F. Glavin Center Global Entrepreneur Award.

Çelik holds 70+ global patents related to OnePIN technologies and is the inventor on a number of additional patents currently pending nationally and internationally.

Çelik is the author of Guardian: Mission Northern Atlantic, Guardian: Mission Genesis, and Guardian: Mission Earth, an expansive techno-thriller series that fuses global geopolitics, artificial intelligence, and cinematic suspense. From covert underwater warfare and cyber-enabled infiltration to a planetary defense effort against an emerging extraterrestrial threat, the series pushes beyond conventional thriller boundaries to examine technology, power, survival, and what it means to remain human in an age of accelerating intelligence. The novels draw heavily on Çelik’s firsthand experience creating mission-critical technologies used at global scale.

Foreword

Over the past twenty years building OnePIN, I have traveled to more than forty countries; meeting people, bridging cultures, and gaining perspectives that shaped both my work and my life.

On the morning of July 5, 2025, two days before my scheduled flight to Ankara, Turkey, I awoke from a vivid dream. In it, I was on that very trip—seated in 4K, my actual seat assignment—crossing the Atlantic toward our Ankara office. The dream’s details were sharp, its emotions intense. It felt less like a dream and more like a premonition. The impact was so strong that I considered canceling my trip. But after reflection, I chose to move forward with my travel plans. That decision became the bridge between reality and fiction.

Guardian: Mission Northern Atlantic grew from that dream. I kept the protagonist’s name as my own because the heart of the story revolved around my experiences, my questions, and the blurred lines between memory, imagination, and possibility.

When I wrote that first book, I believed I was telling a story about survival. But stories that begin with a warning rarely end when the first danger passes. As the GUARDIAN series expanded through Mission Genesis and Mission Earth, it became a larger exploration of the invisible systems shaping our world—networks, infrastructure, autonomous technologies, and the fragile trust that holds modern life together.

At its core, this series asks what happens when the systems humanity creates begin to evolve beyond expectation. Machines learn. Networks adapt. Technology begins to blur the boundary between intelligence and identity, between tool and actor, between the systems that protect us and the ones that may one day threaten us.

Over the years, I have spent much of my life thinking about systems; how they connect people, empower societies, and sometimes fail in ways we do not see until the consequences are already in motion. Those ideas found their way into these novels. While the events, characters, and conflicts in the GUARDIAN series are fictional, the questions behind them are real: how far technology may go, how vulnerable our world may become, and how humanity must respond when its greatest inventions become both its shield and its greatest vulnerability.

In many ways, this series is about more than conflict. It is about intelligence, identity, survival, and the future we are building, whether we fully understand it or not. What began as a dream became a story that moved from the depths of the Atlantic to the centers of global power, and ultimately toward questions far larger than any one nation or any one world.

Welcome to GUARDIAN.

– Feyzi Çelik