Meet the Team

Robert Andrew Millar leads a boutique real estate advisory serving discerning buyers and sellers throughout Greater Palm Springs, including Palm Springs, Rancho Mirage, Palm Desert, Indian Wells, and La Quinta. His practice specializes in luxury homes, architecturally significant properties, and country club and resort communities, combining strategic positioning, design-driven marketing, and sophisticated negotiation.

A U.S. Army veteran, retired corporate attorney, and seasoned real estate investor, Robert brings a distinctive combination of legal precision, financial insight, and market intelligence to every transaction. He advises high-net-worth clients on acquisitions and dispositions, developing tailored strategies designed to maximize both lifestyle and long-term value.

For sellers, Robert approaches each property as a curated offering, combining architectural positioning, elevated presentation and staging, and bespoke marketing to reach qualified buyers locally and globally. For buyers, he provides rigorous market analysis, deep knowledge of the desert’s luxury communities, access to private and off-market opportunities, and disciplined negotiation.

Through Robert Andrew Millar & Associates, Robert delivers highly personalized, white-glove service throughout Greater Palm Springs, enhanced by the reach of the Sotheby’s International Realty Beverly Hills brokerageand the global Sotheby’s International Realty network. His work is defined by trusted client relationships, record-setting sales, successful property repositioning, and discreet, highly effective representation.

Mario Guariso brings more than 30 years of expertise in luxury real estate branding, marketing, architectural design, and high-end residential environments. As the creative force behind Robert Andrew Millar & Associates, he leads the firm’s overall brand and creative strategy across advertising, public relations, property marketing, design, and staging.

Formerly Director of Strategic Marketing at Tracy Marketing Group in Chicago, Mario developed branding, advertising, and media strategies for premier commercial real estate assets. As founder of Seed Interiors in the San Francisco Bay Area, he brings an accomplished design perspective spanning architecture, interiors, landscape, and the creation of cohesive residential environments.

For the firm’s luxury listings throughout Greater Palm Springs—including Palm Springs, Rancho Mirage, Palm Desert, Indian Wells, and La Quinta—Mario directs each property’s creative positioning, from design and staging through marketing strategy, advertising, and visual presentation. His approach respects architectural integrity while creating an emotional connection with today’s luxury buyer.

By bringing design, branding, and marketing strategy under one creative vision, Mario helps transform distinctive properties into compelling market offerings that are both aspirational and authentic.

Sherry Erickson brings more than 25 years of experience in financial management, construction accounting, and operational infrastructure. At Robert Andrew Millar & Associates, she oversees the firm’s financial management and accounting systems, supporting property preparation, marketing initiatives, and listing execution throughout Greater Palm Springs.

With a background as an owner and operations leader in the plumbing, HVAC, and electrical service industries, Sherry has extensive experience managing the financial complexities of high-value projects and multi-layered operations. She oversees budgeting, financial tracking, and cost management with an emphasis on clarity, accountability, and precision.

Known for her structured, detail-driven approach, Sherry helps ensure that resources are managed efficiently and projects remain financially disciplined from preparation through sale. Her expertise provides an important foundation for the team’s white-glove approach to luxury real estate, allowing every property and client engagement to be executed with exceptional organization and attention to detail.

Gina Hopkins leads the execution of luxury real estate marketing and events for Robert Andrew Millar & Associates, bringing exceptional organization, precision, and attention to detail to property marketing throughout Greater Palm Springs.

With more than 30 years of experience managing complex, enterprise-level initiatives for Fortune 100 technology companies in the San Francisco Bay Area, Gina brings a proven ability to coordinate sophisticated projects, manage multiple stakeholders, and execute seamlessly in high-stakes environments.

Gina manages listing launches, advertising placements, print and digital collateral, vendor relationships, and production timelines, translating the firm’s creative strategy into polished execution. She also oversees the planning and coordination of curated property launches, broker events, and client experiences, managing every detail—from vendors and logistics to timing and presentation—to create memorable events that elevate both the property and the client experience.

Known for her meticulous attention to detail and calm command of complex projects, Gina provides the seamless execution behind the team’s white-glove approach to luxury real estate, ensuring every marketing initiative and event is delivered with consistency, polish, and exceptional care.

Jen Cowen oversees operations and project management for Robert Andrew Millar & Associates, ensuring every property and client engagement is executed with efficiency, precision, and consistency throughout Greater Palm Springs.

With more than 25 years of high-level project management experience, including leading complex initiatives for global brands, Jen brings exceptional expertise in managing timelines, coordinating vendors, solving problems, and driving sophisticated projects from concept through completion.

Across the firm’s luxury real estate listings, Jen coordinates the operational details behind each property—from pre-market preparation, renovations, repairs, and vendor management to listing launches and transaction coordination. Her disciplined approach and ability to manage multiple high-value projects simultaneously keep every phase organized, accountable, and moving forward.

Jen’s leadership is central to the team’s white-glove service and seamless execution, allowing clients to move through the preparation, marketing, and sale of their properties with confidence and exceptional support.

Louis Polo leads social media and digital strategy for Robert Andrew Millar & Associates, shaping how the firm and its luxury properties are experienced across today’s most influential digital platforms.

Working within the firm’s broader creative and marketing strategy, Louis develops and executes targeted social media campaigns designed to expand visibility and connect luxury real estate throughout Greater Palm Springs with discerning audiences locally, nationally, and globally. From property storytelling and short-form video to platform-specific content and digital campaigns, he ensures each listing is presented with consistency, relevance, and visual impact.

Working closely with the creative, marketing, and property teams, Louis translates each home’s distinctive architecture, lifestyle, and story into compelling digital content. His strategic approach helps build engagement, extend organic reach, strengthen brand awareness, and connect properties with qualified buyers in an increasingly digital-first luxury real estate market.