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Eric A. Ulrich, Commissioner


Commissioner Eric Ulrich

Appointed Commissioner of the New York City Department of Buildings, Eric A. Ulrich will use his long and proven track record to raise safety standards on job sites, deliver customer service New Yorkers deserve, and make the building industry the most sustainable in the nation. In his new role, Commissioner Ulrich will work collaboratively with all of the stakeholders to move our city forward.

Prior to joining the Adams administration, Commissioner Ulrich represented District 32 in Queens on the New York City Council from 2009 to 2021, serving on the Committee on Housing and Buildings. In the aftermath of Superstorm Sandy, he coordinated a massive relief effort to help area residents rebuild their homes and businesses. He introduced and passed legislation to accelerate the rebuilding process using the best available flood maps and led the effort to create a special coastal risk district in the zoning resolution to provide a planning tool for signifying flood risk in the areas of the city most vulnerable to projected future tidal flooding. He also utilized the Council’s oversight authority to improve the operations of the Rapid Repairs and Built It Back programs.

Ulrich attended St. Francis College in Brooklyn and Baruch College School of Public Affairs.

Kazimir Vilenchik, P.E., First Deputy Commissioner

First Deputy Commissioner

Commissioner Eric Ulrich

New York State licensed Professional Engineer, Kazimir Vilenchik, joined the New York City Department of Buildings in October 2008 as a Deputy Borough Commissioner in the Staten Island office. He also served in the Queens, Manhattan, and Brooklyn borough offices before becoming Borough Commissioner of Brooklyn in 2018. In his role as borough commissioner, First Deputy Commissioner Vilenchik worked with a wide range of stakeholders to improve accountability and efficiency for construction processes in Brooklyn, while leading the borough office through the COVID-19 pandemic.

He was a key participant in the implementation of the Universal Pre-K program and has worked on the development and implementation of Code and zoning changes to promote affordable housing. First Deputy Commissioner Vilenchik has received numerous awards for his work on Universal Pre-K and flood mitigation efforts following Superstorm Sandy.

First Deputy Commissioner Vilenchik has over 20 years of experience in the private sector. His previous roles include work as an inspector, structural engineer, and project manager. He attended Belarussian State Polytechnic University in Minsk, Belarus.

Alexandra Fisher, Esq., Deputy Commissioner

Legal & Regulatory Affairs

Alexandra Fisher joined the New York City Department of Buildings (DOB) to serve as the Deputy Commissioner of Legal & Regulatory Affairs. In this role, she oversees the Department's Office of Internal Audits and Discipline, which investigates employee misconduct and unlicensed construction operations, and work closely with the City's Department of Investigation (DOI) to root out corruption at all levels within the construction industry. She also assists DOI in the operation of the Buildings Special Investigations Unit, a specialized unit that investigates unethical business practices and unsafe construction work that warrants criminal prosecution.

Prior to joining DOB Deputy Commissioner Fisher put her experience to use at the Department of Corrections and the NYC Fire Department. Most recently she served as First Executive Director of Performance Analytics at the NYC Office of Payroll Administration (OPA) where she was responsible for ensuring City compliance with applicable Federal, State, and City employment and ensuring the integrity, accuracy, and operational effectiveness of payroll systems.

A dedicated public servant, Deputy Commissioner Fisher earned her Juris Doctorate from Brooklyn Law School and a Bachelor of Arts in Economics from of New York University.

Timothy E. Hogan, Deputy Commissioner


Timothy E. Hogan, Deputy Commissioner

Timothy E. Hogan serves as the Deputy Commissioner of Enforcement in the New York City Department of Buildings since 2012. With more than three decades of law enforcement experience, Deputy Commissioner Hogan oversees the Department's Enforcement Division, including all emergency and safety operations, complaint inspections and construction accident investigations.

Deputy Commissioner Hogan understands the importance of public safety and the need to consistently evaluate and improve operations. He manages 34 units and handles construction safety, construction complaints, accident response and investigation, Continuity of Operations and major disaster assessment and response. Deputy Commissioner Hogan also assists in the investigation of unethical business practices and unsafe construction work that warrants criminal prosecution.

During his career, Deputy Commissioner Hogan developed an expertise in building security, blast mitigation and emergency management, including security consultation for five courthouse construction projects. He previously served as the Chief Deputy United States Marshal for the Eastern District of New York where he was responsible for the protection of the federal judiciary, threat investigations, criminal investigations, building security, fugitive apprehension, prisoner custody, asset management, and fiscal integrity.

A native of Medford, Massachusetts, Deputy Commissioner Hogan attended Saint Anselm College in Manchester, NH where he obtained a bachelor's degree in Criminal Justice and a certification in Secondary School Education. Mr. Hogan currently resides in Brooklyn, New York with his wife of thirty years and their two children.

Sharon Neill, Deputy Commissioner

Finance & Administration

Sharon Neill, Deputy Commissioner of   Finance & Administration

Sharon Neill is a dedicated public administrator with over 20 years of experience in financial management, budget and administrative services in government and higher education. As the Department's Deputy Commissioner of Finance & Administration, Ms. Neill is responsible for the Agency's $327 million operating and revenue budgets, asset management, and human resources.

DC Neill began her career working in construction management as a project manager. She transitioned into public service at the New York City Office of Management and Budget (OMB) as a capital budget analyst and moved up the ranks to become the Assistant Budget Director of the Administrative Agencies and Elected Officials Task Force. Ms. Neill directed the task force in the preparation, administration and oversight of $1.3 billion in operating funds and $200 million in annual capital commitment funds for over thirty administrative agencies and elected officials.

Prior to OMB, DC Neill served as the Assistant Vice President of Budget and Finance for the CUNY Hunter College. In that role she supported Hunter's financial planning and resource allocation of over $200 million in operating funds. In addition, she oversaw the administrative and support services of Accounting, Accounts Payable, Budget and Planning, Bursar, Office Services, Payroll, and Purchasing.

Deputy Commissioner Neill earned her Master of Public Administration from City University of New York John Jay College, and her Bachelor of Science degree from the State University of New York College at Buffalo. A resident of Queens, Deputy Commissioner Neill enjoys spending quality time with her husband and their two children.

Leena Panchwagh, Deputy Commissioner


Leena Panchwagh, Deputy Commissioner

As the Deputy Commissioner of Operations, Leena Panchwagh oversees the New York City Department of Buildings' (DOB) Information Technology, Borough Operations, Customer Service, Code and Rule Implementation and Project Management teams. She diligently leads strategic initiatives to modernize and transform DOB's information technology infrastructure and business processes.

Prior to serving as Deputy Commissioner, Leena served as DOB's Chief Information Officer. She has been a key partner in re-engineering the way the DOB interacts with stakeholders. Working closely with senior leadership, Leena has led DOB's strategic initiatives relating to digital transformation and re-engineering the Agency's legacy processes and framework. Before to joining Buildings, Leena served as the Chief Information Officer at NYC Department of Consumer Affairs and an Executive Director at Mayor's Office of Criminal Justice.

With DC Panchwagh spearheading operations the Agency provides online inspection requests, simpler and faster job filings, and access to licensing and permit renewals electronically. Her instinct to assess an operation, identify its strengths and weaknesses, and push for progress puts DOB well on the way to full online integration.

Leena is an information technology expert with over 27 years of professional information technology experience with 13 years dedicated to New York City public service.

Guillermo Patino, Deputy Commissioner 

External Affairs

Chief of Staff & Deputy Commissioner Guillermo Patino

Guillermo Patino serves as the Department’s Deputy Commissioner of External Affairs. In this role, Guillermo oversees the Department’s communication efforts and serves as the Department's primary liaison to external stakeholders, including partner agencies, the offices of elected officials, and other community stakeholders.

Prior to joining the Department, Guillermo served in various roles at the New York City Council, including as Legislative Counsel to the Committee on Housing and Buildings. In this role, Guillermo analyzed policy and legal issues pertaining to construction and housing, and most notably drafted local laws intended to improve construction safety and tenant protection.

Guillermo is a lifelong resident of Queens and earned a Bachelor of Arts in Political Science from Hofstra University and a Juris Doctor from New York Law School.

Constadino 'Gus' Sirakis, P.E., Deputy Commissioner

Development & Technical Affairs

Gus Sirakis, R.A., Deputy Commissioner

Constadino (Gus) Sirakis is a licensed Professional Engineer with several decades of experience in improving construction standards and ensuring compliance with the Building Code. As the NYC Department of Buildings' (DOB) Deputy Commissioner of Development & Technical Affairs, DC Sirakis leads another revision of the Construction Codes, that includes the incorporation of all DOB requirements into one single set of rules for existing buildings – an unprecedented effort that will help building owners more readily comply with DOB regulations.

Gus joined DOB in 2006. In recent years he served as Assistant Commissioner of Technical Affairs and Executive Director of Technical Affairs where his projects included the revision of the structural provisions of the 2008 and the 2014 Construction Codes, the establishment of DOB's Concrete Enforcement Unit, and the development of DOB's Special Inspection Requirements for new technology, materials, and national standards.

Since beginning his professional career, Gus has worked as a structural engineer and project manager at several architectural and engineering consulting firms, designing, inspecting and overseeing various projects, including sports stadiums and high-rise buildings, both here and abroad.

DC Sirakis is respected by colleagues and stakeholders alike. He is the recipient of multiple awards and has served with distinction on the International Code Council since 2007. Gus holds a Bachelor of Science degree in Civil Engineering from Polytechnic University in Brooklyn, NY.

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