About Us

SIREAS is a leading global management consulting firm specializing in corporate real estate and outsourcing. With expertise in solution design, portfolio and vendor management, sourcing strategy, and governance advisory, SIREAS is uniquely positioned to help corporations streamline their operations, improve service delivery, and increase shareholder value. By offering integrated strategy and services across the full range of corporate real estate disciplines, from enterprise-level strategy to organizational design and performance, portfolio management, workplace optimization, facilities services, and strategic outsourcing, SIREAS delivers comprehensive solutions that meet the needs of today's rapidly evolving business landscape. SIREAS is committed to fostering highly collaborative relationships that drive innovation, transformation, improved services, and reduced costs. SIREAS enables true mutually beneficial partnerships in which both parties are invested in each other's success. SIREAS is also a certified Center of Excellence for Vested®.

Company Leadership

At SIREAS, our leadership team brings decades of real-world experience to every client engagement. Our teams are led by seasoned professionals who have extensive backgrounds working for some of the world's leading corporations, and who possess an insider's perspective on navigating complex organizations to achieve success. As accomplished practitioners, we possess deep knowledge of corporate real estate, as well as a keen understanding of the nuances and intricacies of the industry. This expertise enables us to provide a unique perspective and effectively communicate with stakeholders at all levels of an organization. By leveraging our experience and strategic insights, we can help you navigate the challenges of corporate real estate and achieve your business objectives with confidence.

Ingrid M. Fenn | SIREAS Founder, President and CEO

Ingrid M. Fenn 

Ingrid is a highly accomplished entrepreneur and a leading innovator in corporate real estate and facilities management. She brings more than a decade of major multinational corporate expertise, as well as extensive experience in emerging markets and in navigating complex matrices of international laws and real estate practices to her strategic and operational leadership of SIREAS. Her career has included leadership in value-building real estate strategy, the development of portfolio and facilities management platforms, and oversight of millions of square feet of leased and owned research, commercial, office and manufacturing facilities across the globe.


As CEO and President of SIREAS, she works directly with the real estate and executive leadership of clients to design strategic plans that cost-effectively meet their business goals. She oversees and provides ongoing project guidance to SIREAS client engagement teams, and develops the third-party supplier and outsourcing relationships vital to help manage clients’ portfolios and facilities. As a global real estate strategist and portfolio platform builder, she also provides clients with expert guidance on facilities management and workplace transformation, the real estate implications of M&A transactions, contract negotiations and lease administration, construction, and vendor management.


Ingrid is a frequent speaker at prestigious corporate real estate conferences and events, and has published numerous articles in various industry and trade journals and publications.

Deana DiMenna | Chief Operating Officer

Deana DiMenna 

Deana is a driven leader who builds high-performing teams and consistently exceeds the expectations of clients. She drives a culture of continuous improvement and collaboration within the SIREAS team and on client projects.


Deana serves as a subject matter expert and strategic leader on client engagements and leads SIREAS’ strategic relationship management and governance (SRMG) platform, which support strategic partnerships that drive innovation and maximize value. Deana also owns development, maintenance and training of SIREAS’ industry leading center of excellence. Our COE enables both our internal team and our clients access to best in class tools, templates and benchmarking.


Deana’s 20+ year career has included the execution of global real estate services, facilities management, contract governance, outsourcing, performance management, vendor management, and third-party risk and compliance. Deana was instrumental in developing much of the intellectual property SIREAS utilizes today, including first generation Service Level Agreements, Statements of Work, Pricing Models, and Performance Management Plans. She has been involved in numerous global outsourcing initiatives spanning millions of square feet that generated an average ROI of 20:1 for the world’s largest corporations.


Deana was also a key player in the development and implementation of the industry leading dynamic SaaS solution, Hiperos, for third party management and governance.

Scott Tibbo | Managing Director

Scott Tibbo

Scott has more than 35 years of corporate real estate and facilities management expertise that uniquely comes from 15 years on the client side of the business, 9 years as a management consultant and the last 13 years as a senior leader on the service provider side of the CRE/FM industry with JLL’s Corporate Solutions business.


Scott’s role at SIREAS is to leverage his depth of experience across all CRE/FM functions and to lead our project teams to help our clients objectively assess their existing operating models and third-party supplier relationships; and to design and implement best-in-class organizational and service delivery models that will drive innovation, efficiency and success across the portfolio. 


Prior to JLL, Scott managed the real estate consulting practice at SIREAS predecessor company, Expense Management Solutions, where he advised more than forty client organizations on CRE organizational design, outsourcing, benchmarking and performance measurement; and led operational assessments and outsourcing initiatives that involved in excess of 300 MSF globally.


Scott is currently the President & Chair of the CoreNet Global CT/Westchester Chapter, and past-President of IFMA Boston.  Scott has published articles in Facilities Management Journal, Development Magazine, Financial Executive, and Inside Supply Management. In addition, he has led several presentations at events such as IFMA World Workplace, CoreNet Global, and the Industrial Asset Management Council.


SIREAS is a certified Center of Excellence for Vested®; a sourcing business model that fosters a highly collaborative environment sparking innovation resulting in transformation, improved service, and reduced cost. Vested partnerships enable true win-win relationships in which both parties are invested in each other’s success.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              

We are thrilled to announce that SIREAS has received official certification as a Women's Business Enterprise. This certification is a testament to our unwavering commitment to excellence and diversity, and we are confident that it will enable us to offer unparalleled services and strategic guidance to our clients. Moreover, with this certification, we can also support our clients' efforts to promote diversity in their supply chain, and contribute to creating a more inclusive and equitable business environment. At SIREAS, we take pride in our dedication to innovation and client satisfaction, and we are excited to continue serving our clients with even greater dedication and commitment to excellence.