Our Team
We are a team. We love what we do. Simple as that.


CEO, Founder
Jonathan Knudsen
Jonathan Knudsen's expertise is founded on strong business acumen, budget and forecast preparation and management, profit and loss critiquing and hotel management. Growing up in New York, Jonathan's passion for hospitality was rooted in a line of family-owned and operated establishments. Knowing he wanted to make this his life’s work, Jonathan enrolled in Johnson & Wales University, earning a double degree in restaurant management and hospitality management with a concentration in entrepreneurship. Jonathan has extensive industry experience bringing projects to market with hotel openings, concept development and execution. Groomed by global hospitality leader Starwood Hotels & Resorts, he led multiple teams from Southern California, to the Caribbean to New York City before joining boutique hotel Pioneer Morgans Hotel Group as an Executive Operational Leader directing the renovation and operation of the iconic Hudson Hotel New York and its regional portfolio of NYC properties.

Chief Operating Officer
Josh Pendley
Josh was born and raised in a hospitality household. Between his grandfather owning a drive-in diner in the sixties and his father running multiple steakhouses during his childhood, Josh learned the value of delivering excellent food and service at an exceptionally young age. Josh began his career working for some of the leading hotel groups in the world, including Starwood Hotels and Morgans Hotel Group. Through his career Josh excelled in some of the most influential cities in North America including New York City, Los Angeles, San Francisco and San Diego. Expanding on his hospitality experience, Josh collaborated with leading luxury co-working space Neuehouse here in New York City. Josh has extensive meeting and events experience overseeing properties which boast over 50,000 sq ft of meeting space. He brings over fifteen years of hospitality experience to the table, along with a passion for food, beverage, music, art and fashion. All of these elements come together to deliver marketing operational excellence and a dynamic culture.

Corporate - Director of Finance
Nora Berishaj
Nora Berishaj is a New York City native with over a decade of experience in hospitality finance, specializing in accounting operations, team development, and sustainable business growth. She began her career in restaurant and hospitality accounting, gaining broad experience in full-cycle finance and property-level operations before joining Major Food Group during a period of rapid expansion. There, she trained new accounting staff, streamlined processes for greater accuracy, and supported several high-profile openings. She later served as Controller for LT Hospitality, overseeing a multi-outlet property, leading a sales tax audit, managing payroll and POS migrations, and playing a key role in the successful sale of the property. Nora is passionate about partnering with operators and owners to strengthen financial performance and support teams through growth and transformation. She thrives in dynamic, fast-paced environments and brings a results-driven, collaborative approach to every project.

Director of Social Media
Issadora Martinez is a multimedia professional creator with experience in managing and optimizing social media accounts for a variety of clients. In the past year, some of her work has been featured on Forbes, New York Times, Thrillist, and more. Prior to her career at Concrete HG, she has grown up in the entertainment industry as a child actor in various TV shows, commercials, international tours and more. She made her Broadway debut at 8 years old, and in recent years has transitioned to a professional music career. Some of her songs have been featured on Spotify Editorial playlists, and recently surpassed 1 million streams as an independent artist. While simultaneously pursuing her music career, Issadora is the Director of Social Media at Concrete Hospitality Group.

Area Operations Manager
Roberto Sanabria
With over a decade of experience in the hospitality industry, Roberto Sanabria is a seasoned professional dedicated to crafting unparalleled guest experiences. As the Area Operations Manager at Concrete Hospitality, he blends strategic leadership with a passion for service excellence. Known for his innovative approach and commitment to elevating standards, Roberto has successfully overseen the seamless operations of Serafina Group, among many other prestigious establishments, and developed his mixology proficiency under the tutelage of Beverage Director Amir Babayoff at Merchants Hospitality, creating lasting impressions and fostering customer loyalty. With a keen eye for detail and a focus on team development, Roberto continues to shape the future of hospitality with a unique blend of expertise and genuine hospitality.

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