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I Help Small Businesses & Leaders Grow

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Profile picture of Nathan Castillo in the Onebecomes1 office, owner and lead consultant at Onebecomes1 Business Consulting

About Nathan Castillo

With two decades of hands-on experience in operational management and technology consulting, I have a proven track record in creating departments for educational institutions, successfully launching services to market, and leading operational initiatives. As a trusted advisor, my clientele spans higher education, non-profit organizations, A&E firms, contractors, performing arts, and ambitious small business owners.

Whether you're launching a startup, refining leadership skills, or poised for a pivotal career or business upgrade, my expertise is here to propel you forward. Leveraging my experience in building and growing organizational divisions, as well as developing innovative products and services, I am committed to helping you meet and exceed your goals.

I thrive on abstract ideas, transforming them into clear, easy-to-understand concepts. My ability to identify unique connections unseen by others and find patterns in challenges that lead to effective solutions sets me apart in the consulting field.

Connect with me today and leverage the services I offer to turn your business ambitions into realities.

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Consulting Services


Free Conversation: Problem Solving

Unsure where to start with solving a workplace challenge? I provide a 30 minute judgement free conversation to help identify the obstacle with suggested solutions and strategies.

Professional 1-on-1 Coaching

Want to make changes in your career, new to management, or looking to improve your leadership skills? You may benefit from outside mentoring. I provide clients with access to my 20 years worth of knowledge and experience to create accountable goals and professional guidance.


Are you ready to take your business into the next phase? Do you have a project or idea that you would love to bring to life? I provide my clients with a few types of planning services to help you and your team devise appropriate strategies.

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