Our Team

At Rifiniti we believe that businesses grow when people are enabled to work, engage and collaborate in spaces that continually meet evolving needs. For some companies that means more space. For others it means less but more effective spaces. In all cases, Rifiniti’s mission is to always enable employees to deliver their work with maximum productivity, creativity and pride.

Executive Team

Irina Mladenova

President & EVP Product Strategy

With her interdisciplinary experience covering real estate, urban planning, sustainability, and technology assessment, Irina leads Rifiniti’s strategy and continuous enhancement of Rifiniti’s workplace business intelligence solution. Previously, she served as VP Research and Consulting at Sustainability Roundtable Inc and as in her role she consulted to Directors of Real Estate of 60+ Fortune 500 companies (Apple, Adobe, Brocade, Capital One, Cisco, Clarion Partners, EMC, Roche-Genentech, IBM, HP, Lenovo, Oracle, SAP, etc) in the development and deployment of portfolio-wide strategies focused on greater efficiency and sustainability. She is the lead author of about 1,500 pages of published management best practices for sustainable real estate in addition to articles in prominent international journals. Prior to joining SR Inc, for two years Irina was a core member of the Harvard Zofnass Program for Sustainable Infrastructure and worked for developing a rating system for evaluating the sustainability of key infrastructure types (transportation, water, energy, water, telecommunication, and landscape). Irina has also consulted to the NYC Mayor’s Office of Long-term Planning and Sustainability on the development of first 100+ green building codes (passed February 2010) in sections on: Energy and Ventilation, Climate Adaptation, Lighting, Water, Materials, Site and Storm Water, Construction Practices, and Homes. Irina completed an A.B. in Urban Studies at Harvard College and a Master in Urban Planning with a concentration in Sustainable Design and development at the Harvard Graduate School of Design. Her field work and research for large-scale, strategic development and socio-economic projects include China, India, Argentina, Singapore, Austria, Bulgaria, Senegal, and US.

Michael Gresty

CEO & Chairperson

Michael Gresty has over 25 years of experience advising Fortune 500 companies on various aspects of corporate real estate and sustainability. He has consulted to senior executives on the development and management of more efficient buildings and on the integration of sustainability into company strategy, operations and culture. Michael has extensive experience working across multiple sectors with dozens of leading companies such as Lenovo, BNY Mellon, JP Morgan Asset Management, Levi’s, Oracle, Nationwide, Gillette, Biogen Idec, SAP, Chubb, Hasbro, TimeWarner, Praxair, Capital One, Schering-Plough, Gillette, Brown-Forman, PPG Industries, Herman Miller, The World Bank, Sentinel Data Centers, Brookfield Properties, USAA Real Estate, RXR Realty and Extell.

He is a frequent speaker on green buildings and sustainability at industry events, webinars and conferences, and has facilitated numerous LEED projects including large office, data center, retail, hospitality, and residential projects. He previously worked on large infrastructure and design projects in the USA and France, and for five years on the development of engineering and technical software in South Africa. Previously, Michael was Managing Partner at Altanova Energy+Sustainability and a co-founder of Kinetix, two leading boutique sustainability consultancies in NYC. Michael was also a co-founder of the more than 1,000 member Sustainability Practice Network (SPN) non-profit based in New York City. Michael received his Architecte DPLG from the Ecole d’Architecture de Paris-Belleville. He also holds a Bachelor of Architectural Studies from the University of Cape Town.

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