Mariana Ruiz Joins the HRG Team

Historic Resources Group is very pleased to welcome Mariana Ruiz to the HRG staff. Mariana has a Bachelor of Arts degree in Fine Art with a minor in Mathematics from Mount St. Mary’s College. She has over 10 years of experience working in the fields of art conservation and historic preservation.

Mariana recently returned to Southern California after six years in Las Vegas, where she worked at the Nevada Museum of Art, the Neon Museum, and the Nevada Preservation Foundation. Mariana is co-owner and Cultural Resource Specialist of DBA Studios LLC, a multidisciplinary studio specializing in art collections management, cultural resource management, and creative art services throughout the Southwestern United States.

Mariana’s new role as HRG’s Architectural Historian will build on her experience collaborating with public and private institutions for preservation planning and cultural resource management initiatives to provide well-rounded assistance for HRG’s clients.


Happy Holidays from Historic Resources Group

We wish you a warm, wonderful holiday season filled with friends and family, old traditions and new. Historic Resources Group is poised to enter its 35th year of partnering on amazing projects and, as we reflect on these collaborations, we are filled with immense gratitude for your continued support and camaraderie!

Sending all our best wishes for health and happiness in the New Year!


Photo caption: Holiday lights at the Los Angeles Memorial Coliseum – 1964. Photo courtesy of the Los Angeles Public Library Valley Times Photo Collection.


Ye Hong Joins the HRG Team

Historic Resources Group is very pleased to welcome Ye Hong to the HRG staff. Ye has a Master of Heritage Conservation, Building Science, from the University of Southern California. She also has a Bachelor of Fine Art, Art History, degree from the University of California, Los Angeles.

Ye has two years of experience in the preservation field. She started as an intern at HRG just this past summer after graduating with her Master of Heritage Conservation degree. When an Associate Architectural Historian position became available, Ye had already proven herself as an asset to the firm.

Concurrently with her recent coursework at USC, Ye completed an internship at RLA Conservation, analyzing and conserving artifacts. She was also a Research Assistant at the Chinese Academy of Cultural Heritage in Beijing, helping to develop a preservation plan and conducting archival work for the Summer Palace.

Ye’s new role as HRG’s Associate Architectural Historian will expand her experience in historic preservation and utilize her expertise in materials conservation in providing a variety of services for HRG’s clients.


Leah Solomon Rolf Joins the HRG Team!

Historic Resources Group is very pleased to welcome Leah Solomon Rolf to the HRG staff. Leah has a Master of Preservation Studies degree from Tulane University and a bachelor’s degree in Public Relations from the University of Southern California. Prior to joining HRG, Leah worked with Rolf Preservation Works, LLC doing tax credit and architectural survey consulting.  She also previously served as Administrative Director for the Hammond (Louisiana) Historic District Commission and Education and Events Coordinator for the Preservation Resource Center of New Orleans.

Leah’s career in historic preservation began with hands-on conservation for the Coconino Rural Environment Corps and archiving, fundraising and redevelopment work for the historic properties of Historic Madison Inc.   

Leah’s new role as HRG’s Business Development Manager will utilize her variety of skills in the historic preservation field as well as her administration and public relations background.  She will assist with the preparation of project proposals, manage the firm’s social media, foster relationships with clients and community stakeholders, as well as provide research assistance when able.  Leah looks forward to making new connections and being a part of building HRG for the future!



Adam Rajper Joins the HRG Team!