Talent is everything

Good buildings come from good people, and all problems are solved with good design. One unique advantage of Integer Development’s comprehensive process is that highly experienced leaders in key phases of design and construction have been brought together to serve as a seamless team – bringing our developments and building projects to life efficiently and with a consistent vision.

The successes of our projects are a testament 
to the people behind them.

Our Team

At Integer

meet our partners

Partner, Homebuilding

Karl Gronemeyer

A certified Civil Engineer, from the University of Costa Rica, Karl was raised in San Jose and began building luxury homes in the Tamarindo/Langosta area in 2000. Over 23 years, his company, GK Ingenieria has spread its operations throughout the Pacific North Region and the Central Valley, specializing in high-end residential projects.

Responsible for all aspects of Integer’s homebuilding projects, the key to Karl’s success is great
communication skills, financial and quality control systems, transparency throughout the process, an ability to identify the right people, and assemble a great team of local craftspeople.

Karl maintains homes in both Guanacaste and San Jose and lives with his wife and three kids. An avid mountain biker and traveler, Karl is always in motion.


Matthew Goldberg

With over ten years living full-time in Costa Rica, Matt utilizes his decades of consumer and B2B marketing experience to help Integer both gauge opportunities and execute winning marketing plans. Matt guides Integer’s properties in brand strategy, market intelligence, communications, design and community building.

Having worked as an executive at some of the most storied firms on Madison Avenue, Matt has been honored to help lead agency marketing efforts across a broad spectrum of categories and sizes. He has driven sales for large Fortune 50 companies (Lowe’s Home Improvement, Comcast, Proctor & Gamble, and Microsoft, to name only a few). Additionally, he has helped build valuable brands for small to mid- size niche companies (Virgin Mobile, Burton Snowboards, Roxy Apparel).

Matt’s strategic specialties include extracting actionable insights from market data, an expertise in all forms of media from mass advertising to promotion to social media, and driving sales with direct marketing. Matt holds an MBA from Columbia Business School and has guest-lectured at Parsons School for Design.

When he is not at his computer, there’s a good chance that Matt is out hiking the Guanacaste mountain trails with his wife and their dog, Rosie or under an umbrella watching his teenagers surf.

Partner, Development

Curtis Peart

With 25 years in residential development, Curtis is responsible for selecting and then guiding the team to execute on the vision for all Integer projects. Having developed several communities and built hundreds of homes in the Southeastern United States, Curtis is an award-winning builder. With over 10 Obie awards for Best Home in Atlanta Metro area, his work has also been recognized with such titles as the HGTV Green Home of the Year.

Since 2001, every U.S. home he has built has been Certified EarthCraft, he has built 2 Leed Gold Certified homes, and in 2012 he was selected as the builder of the HGTV’s 2012 Green Home for their annual Green Home giveaway. Curtis has proven that success comes from creating a well-researched product that meets a market need, using rigorous financial modeling, ongoing monitoring, and quality control. Curtis holds a Bachelor of Science in Construction Management from top ranked University of Florida, M.E. Rinker School.

An avid mountain biker, fisherman, and self-described “boat guy”, Curtis moved permanently with his wife and children to Costa Rica over a decade ago.


Enrique Barrientos

As Project Director, Enrique leads Integer’s extensive Construction and Planning division. With over 25 years of experience in the construction and management industry, Enrique's journey in architecture began with his studies at the Universidad Autónoma de Mexico. His dedication and passion for the field led him to obtain a degree in Architecture from the prestigious Universidad Veritas in San Jose, Costa Rica.

In addition to his architectural background, Enrique possesses a strong foundation in MBA-level finance, which further enhances his ability to manage and oversee complex projects. His comprehensive understanding of financial aspects allows him to conduct thorough feasibility studies for real estate projects, ensuring their viability and success.

A certified Project Management Professional (PMP), Enrique has been involved in numerous residential and commercial real estate developments in San Jose. Notably, he had the privilege of working for three years as a Project Manager for Gensler, the world's largest architecture firm, where he contributed to projects in Costa Rica, Honduras, and the United States. This experience provided him with invaluable exposure to diverse management practices and further honed his skills.

In 2021, Enrique relocated to Guanacaste from San Jose with his wife and two children (9 and 12) and loves his commutes to Tamarindo by motorcycle. On the weekends you’ll find him exploring the area beaches with his family and riding his mountain bike.

At Integer, we are always looking for talented new team members. If you enjoy working in a fast-paced, collaborative environment and are excited by what we are doing… this could be your dream team!

There are always opportunities for people with architecture, interior design and construction project management experience.

Work @ Integer

Join Integer

Interger Development

expl0re our projects

Playa Flamingo, Costa Rica


Playa Penca, Costa Rica


Tamarindo, Costa Rica