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Meet the Team Behind 3SI Design


Welcome to 3SI Design—your trusted partner in creating beautifully curated interiors across Washington D.C., Maryland, and Virginia. We know that starting an interior design project can feel overwhelming, whether you're updating one room or reimagining your entire home or commercial space. That’s why our team is committed to guiding you through every step with clarity, confidence, and creativity.


As a full-service interior design studio, we bring a collaborative, client-first approach to every project. Our team of experienced interior designers specializes in Organic Modern design, blending natural materials, clean lines, and timeless comfort to craft spaces that reflect your lifestyle and vision. From full-home remodels to custom furnishing plans, we’re here to make the process feel exciting and seamless.

We work closely with architects, builders, and skilled tradespeople to ensure every detail—from architectural finishes to furniture, textiles, and décor—is thoughtfully curated and flawlessly executed. Our portfolio showcases a range of residential interior design work, reflecting our passion for both aesthetics and functionality.


At 3SI Design, we don’t just design beautiful spaces—we build lasting relationships. Our team is responsive, professional, and deeply invested in making your home or business a place you love.


Get to know the people who make it all happen—and discover how we turn vision into reality with skill, heart, and precision.


-Yours truly,

3SI Design

3si design

Angelica Gonzalez

Technical Designer

Melissa De Bem

Managing Designer

Paola Coves

Procurement Designer

3SI Design serves Annapolis, MD, Bethesda, MD, Clarksburg, MD, Chevy Chase, MD, Fulton, MD, Gaithersburg, MD, Rockville, MD, Montgomery County, MD, Potomac, MD, Olney, MD, Kensington, MD, Silver Spring, MD, Cabin John, MD, Garrett Park, MD, Clarksville, MD, Boyd's, MD, Carderock, MD, Howard County, MD, Tysons, MD, Bowie, MD and surrounding areas.