Founder & President

Daniele Horton founded Verdani Partners in 2012, bringing over 18 years of experience in sustainability, real estate, project management, and architecture. She leads our sustainability practice and brings her expertise, energy and passion to successfully support our client’s needs. She understands the challenges of implementing green buildings from the owner’s perspective and is committed to promoting and implementing green building practices to reduce the environmental impacts of the building industry in a cost-effective and profitable way. A Harvard graduate with a degree in Sustainable Development, Horton was the Head of Sustainability for the well-known real estate firm Thomas Properties Group (TPG). She led the LEED EBOM certification of TPG’s national portfolio of office buildings (13 Million sq. ft.) during difficult economic times. Under her leadership, TPG was ranked as the Highest Environmental Performer in the Americas (in the office category) by the Global Real Estate Sustainability Benchmark (GRESB) in 2011, 2012 & 2013.

In her current role as the founder and principal for Verdani Partners, Daniele leads several project teams providing corporate sustainability services for 6 large national and international portfolios totaling over 2,000 properties and 300 million square feet of diversified portfolios. In 2014 she was named as one of the 10 “Most Powerful Women in Sustainability” by the GB&D Magazine.

Industry Leadership

  • Advisory Council, Facility Management and Operations USGBC, 2016-Present
  • Chair, Existing Buildings Subcommittee, USGBC National, 2015 – Present
  • Benchmark Committee, GRESB, 2014 – present
  • Head of Sustainability, Parkway Properties, 2013 – present
  • Director of Sustainability, CommonWealth Partners, 2013– present
  • Advisory Board, USD Journal of Sustainable Real Estate, 2014 – present
  • Board Member, USGBC San Diego Chapter, 2013 – 2015
  • USGBC National, MAC & EBOM Subgroup, 2012 – present
  • Co-Chair, SDGBC Existing Buildings Committee, 2013
  • Adjunct Professor, USD Center for Real Estate, 2013 – present
  • Performance Committee, ULI Greenprint Foundation, 2012 – present
  • Sustainability Policy Advisory Committee, The Real Estate Roundtable, 2011 – 2013
  • Select Committee on Energy Efficiency, Senator Kevin De Leon, 2011
  • Sustainability Committee, BOMA GLA, 2010 – present
  • Industry Reviewer, USGBC’s Green Operations Guide, 2010
  • Board Member, USGBC Los Angeles Chapter, 2009-2012
  • Founder & Co-Chair, USGBC-LA Existing Buildings Committee, 2009 – 2015
  • California Sustainability Alliance, Green Buildings Committee, 2007 – present

Our Valuable Team Members


JEFF DUNBAR Director of Sustainability

Jeff is a driven sustainability professional and entrepreneur with 15 years of project and program management experience, including nine years in the residential and commercial real estate industry. Jeff has an M.S. in Environmental Science and Management, and LEED AP credentials in Building Design and Construction (BD+C) and Operations and Maintenance (O+M).


SARA SCHOEN  Director of Sustainability

Sara is passionate about integrating sustainability practices into companies’ existing business processes. She brings extensive experience in corporate sustainability, energy management, enterprise data systems, and organizational development. Prior to joining Verdani Partners, Sara served as the commercial real estate lead at the U.S. Department of Energy’s Better Building programs and also established and led the first energy and sustainability department for First Potomac Realty Trust, a publicly-traded REIT.


JESSICA LOEPER Sr. Sustainability Manager

Jessica brings 10 years of extensive experience in sustainability and project management specifically in LEED for Existing Buildings nationally and internationally and performing quality control for LEED-EBOM reviews. Jessica provides webinars and seminars on LEED for Existing Buildings, Green Associate and other various environmental topics. Jessica is a LEED AP O+M and a graduate of the University of California, Irvine with a Master’s degree in Urban and Regional Planning.


MARIANA YOUNG Sustainability Manager

Mariana is a LEED AP O+M and brings a wide range of experience in architecture and the adaptive re‐use of existing and historical buildings. With a deep passion for the environment, she combines her project management expertise and architectural acumen to support the Verdani team.

SHUBHA MOHUNTA Sr. Sustainability Manager

Shubha has a passion for making buildings energy efficient. Her extensive experience includes building a customizable online energy calculator for city of Chicago, creating energy simulation models for skyscrapers located internationally and successfully completing various LEED O&M projects. With a background in Architecture, Shubha has a master’s degree in Sustainable Design from Carnegie Mellon University and LEED BD+C credentials.

RUBY GONZALEZ Sr. Sustainability Coordinator

Ruby is a driven sustainability professional with 7 years of LEED project management experience in Existing Buildings and New Construction. Ruby has successfully completed 19 LEED certifications. Prior to Verdani Partners, Ruby worked for UC Riverside as a LEED AP Analyst managing over 20 LEED projects for v2009 and v4 across multiple rating systems. She has a BS in Environmental Engineering and is a LEED AP O+M.



MEI TSURUTA Energy Engineer

Mei is an Environmental Engineering graduate of the University of California, San Diego with a passion for sustainability through improvements in the built environment and human lifestyle. She provides assistance with LEED Reviews and support for the Technical Services team.



CHRIS WEI Energy Engineer

Chris has a master’s degree in Energy Engineering from the University of Hong Kong. With a background in Mechanical Engineering, he has a deep passion for research and innovation and hopes to make buildings across the world more energy efficient. Chis is part of Verdani’s Technical Services team and provides assistance in LEED Reviews and LEED Documentation.

KELLY HAGARTY Sustainability Coordinator

Kelly brings her diverse background in sustainability and business administration to Verdani Partners. She supports Verdani’s 6 clients with all aspects of corporate sustainability including branding, strategy, policy creation, stakeholder engagement, and reporting. Kelly also manages Verdani’s LEED Review team and assists with Verdani’s business development and marketing efforts. She received her BA in Business Administration with a minor in Environmental Studies from the University of San Diego and holds the LEED AP O+M and WELL AP accreditations.

SCOTT LEMOINE Sustainability Coordinator

Scott holds a Master’s Degree in Sustainability from the University of Sydney. Scott brings experience in improving sustainability performance of commercial office and hospitality buildings. He is passionate about smart building technology and big data. Scott is responsible for supporting Verdani’s Corporate Sustainability team with branding, strategy, policy creation, stakeholder engagement, and reporting. He is also supporting Verdani’s business development and marketing department.

Taylor Photo

TAYLOR SIMS Office Manager

Taylor is a graduate from the University of San Diego with a B.A. in Business Administration and minors in Economics and Spanish. Taylor brings experience in management, human resources, and marketing. She is extremely passionate about entrepreneurship and sustainability, and supports Verdani’s operations and business development.

CAYLA CURTIS Bookkeeper/Admin Assistant

Cayla is currently studying accounting while she maintains Verdani’s accounting records, financial statements, and other financial reports in addition to supporting the operation’s departments with administrative tasks.


Strategic Partners


KAREN MOZES Communications

Karen’s experiences as a successful entrepreneur, executive & life coach, writer and leadership expert are all utilized at Verdani Partners. Also, her years in the corporate world and having been the principal at a sustainability consulting firm, qualify Karen as being uniquely suited to coach in business management, communication techniques and team leadership.


KATHRYN ROBINSON Communications Coordinator

Katy Robinson joined the Verdani team in 2014 to provide communications and marketing services. She has over 7 years in the green building industry and 15 years of experience working with mission-based organizations and nonprofits to add value to their communications, operations and strategic initiatives. She sits on the board of the nonprofit, Green Education, Inc. and is Co-chair of the Los Feliz Neighborhood Council’s Green Committee. She is also Copy Editor for the magazine Transverse Ranges.


CARLOS SANTAMARIA Director of Engineering

Carlos Santamaria is Vice President of Engineering Services for Glenborough, LLC and Principle of CEES-Advisors. Mr. Santamaria has worked in commercial real estate for over 25 years concentrating in energy efficiency, construction and operational best practices strategically positioning his company portfolio as a top performer and leader in energy efficiency and sustainability.



JEFFREY LANDRETH PE, CEM, BEAP, CPMP, LEED AP BD+C, O+M Energy Consultant / Mechanical Engineer

Jeff is a registered mechanical engineer (PE), energy consultant, and commissioning agent with experience auditing /commissioning more than 70 million square feet of buildings. He leads and supports Verdani’s engineering and other technical services initiatives.


GABRIELA VASCONCELLOS Sustainability Manager

With more than five years of industry experience, Gabriela had grown her portfolio of work in the areas of LEED certification, sustainability master planning, energy modeling, project management and business development through national and international projects including buildings in Brazil and U.S. She supports Verdani’s business development team as well as the sustainability technical team. Gabriela is a LEED AP BD+C with extensive experience with LEED Online templates and procedures.

PAULYNN CUE Graphic Designer

Paulynn’s synergistic experience comes from her 20 year long career spanning architectural project development, design and planning, graphic information systems, branding and visual strategy, marketing, graphic design for global brands. Paulynn assists Verdani with various projects such as graphic design for clients’ annual sustainability reports, newsletters, and presentations, as well as website development.



DR. NORM MILLER Advisor / Real Estate Finance

Norm is a Professor of Real Estate at University of San Diego and the Editor of the Journal of Sustainable Real Estate. As an international leader in the green building industry, he is a valued advisor to Verdani Partners.


NILS KOK Advisor / Real Estate Economist

Nils is an associate professor in Finance and Real Estate at Maastricht University, the Netherlands and is also the co-founder and executive director of GRESB. As a world renowned economist, Nils specializes in energy efficiency and sustainability in the international real estate sector and is a key advisor for Verdani on real estate economics and reporting.


ANDREW HORTON Advisor / Strategy, Finance & Operations

Andrew is a private investor with over 20 years of experience in technology, commercial real estate, and capital markets. He advises Verdani Partners in many areas including strategy, finance, operations, and marketing. He holds graduate degrees from Harvard University, Columbia University, and the University of California, Berkeley.


BRENNA WALRAVEN Advisor / Building Operations

Brenna is the Head of Property Operations for the USAA Real Estate Company. She is a nationally recognized leader and provides strategic advice in Real Estate and building operations.


MICHAEL YOUNG Advisor / Software and Applications

Mike is a software developer with a Ph.D. in Physics from MIT. He advises the Verdani team on information technology, software, applications, and technical services.