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Best Western Plus Executive Residency lobby

It's about relationships

We believe that the most successful projects are the result of getting to know you, your vision, your internal processes. When working collaboratively, your project comes together seamlessly. We value every client and appreciate every project on which we work.

We are "people" people.

We are passionate about our work.

We are a group of seasoned professionals with over 75 years of combined industry experience. We are solution-oriented, focused on finding the most cost-effective means to bring your project to realization while maintaining high standards for the successful completion of your project.

We operate with a high level of integrity.

We pride ourselves on a strong sense of business ethics. We negotiate the best pricing for your project through outstanding relationships with our vendors. We don't accept price reductions or rebates from our manufacturers without passing the savings on to you. We know that when we can save you money, you will come back to us for your next project.

We strive for excellence.

Our team strongly believes in doing ordinary things extraordinarily well. With over three-quarters of our business coming from repeat clients, we must be doing something right. While we do not claim to be perfect, our drive for excellence in all we do helps keep your project running smoothly and error-free.

We are involved in our community.

We understand the importance of giving back and being good corporate citizens. Among the orgainizations we support are the McNay Art Museum, Mission Heritage Partners, Juvenile Diabetes Research Foundation, SAMM Ministries and The San Antonio Food Bank.

Dawn Robertson,

Vice President, Fastrans Logistics

I have had the pleasure of working with HSI Design Group for well over a decade. Lisa and her team have a genuine caring for their clients and vendors. They treat you like family, because you are to them. Their attention to detail and integrity overlap into everything they do. Pure gems in the hospitality industry.

Meet The Principals


Lisa Petrosky, RID

With over 30 years in the hospitality industry, Lisa's background incorporates both interior design and procurement experience. She has managed large scale renovations programs nationwide to include the re-imaging of a hotel chain with over 30,000 rooms.


Lisa coaches her team to approach all projects from the Owner / Operator perspective where increased product performance results in a higher return on investment over the life cycle of the project. Her thoughtful approach to value engineering results in significant cost savings without sacrifice of quality and aesthetic appeal. 

Lisa is a graduate of Incarnate Word College (now University of the Incarnate Word) with a BA in Interior Design and is a Registered Interior Designer (RID) in the State of Texas.  She is a member of NEWH and a past member of Color Marketing Group.  She has volunteered her time with Juvenile Diabetes Research Foundation, the San Antonio Symphony League and St. Luke's Episcopal Church.  


Charles John, AIA, NCARB, RID

Charles John, AIA is Principal in charge of Architecture and Design and brings over forty six years of experience as an architect and interior designer to the Firm.  Charles has been involved with an array of building types that include multi-use developments, educational facilities, office and retail projects, entertainment and hospitality projects, with a specialization in the restoration and renovation of historic properties. He has received numerous awards for his work.


He is active in his profession and community, having served as President of San Antonio AIA and the Board of the Texas Society of Architects. He is currently serving as President of Preservation Texas and on the Boards of the Conservation Society of San Antonio, and Mission Heritage Partners. 


A graduate of The University of Texas and the University of Houston, he is a Registered Architect in Texas and California and a Registered Interior Designer in Texas. Charles is an active member of St. Luke's Episcopal Church.

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