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James S. Oddo, Commissioner


Commissioner Jimmy Oddo

James (Jimmy) S. Oddo serves as the Commissioner of the New York City Department of Buildings (DOB), where he leads the City’s efforts to regulate and promote safety at approximately 40,000 active construction sites and 1.1 million buildings. A dedicated public servant with more than two decades of elected, legal, and academic experience, Commissioner Oddo has made collaborating across government entities to achieve quality of life enhancements for NYC residents a hallmark of his career.

Immediately prior to taking the helm at DOB, Commissioner Oddo served as the Chief of Staff for the Deputy Mayor of Operations’ Office, where he helped oversee the City's infrastructure agencies, including DOB, the Department of Environmental Protection, the School Construction Authority, and the Department of Design and Construction.

A longstanding public servant who has earned a reputation for overcoming hyper-partisanship in elected positions, from 2014 to 2022 Commissioner Oddo served as Staten Island Borough President, where he drove initiatives focused on public safety, education, health, land use, and transportation, among other areas. Previously, he also represented parts of Staten Island and Brooklyn in the New York City Council between 1999 to 2013, including serving as the Council’s minority leader beginning in 2002.

Commissioner Oddo received a Juris Doctor from New York Law School and a bachelor’s degree in history from Fordham University.

Kazimir Vilenchik, P.E., First Deputy Commissioner

First Deputy Commissioner

Commissioner Kazimir Vilenchik

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 2019. 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 (UPK) 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 UPK 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.

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 Leena 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 X. Patino, Deputy Commissioner 

External Affairs

Chief of Staff & Deputy Commissioner Guillermo Patino

Guillermo X. Patino is the Department’s Deputy Commissioner of External Affairs. In this role, he serves as the primary liaison to external stakeholders, including partner agencies, the offices of elected officials, and other community stakeholders. Guillermo directs the Department’s intergovernmental affairs, communications, and industry engagement efforts. In addition, he oversees the New York City Loft Board and DOB’s administrative enforcement efforts that includes the prosecution of OATH summonses issued by DOB inspectors and professional disciplinary activities.  

Guillermo joined DOB in 2017. In recent years he served as Chief of Staff, supporting the Commissioner’s Office to further DOB’s priorities, and Guillermo worked in several roles within the External Affairs Bureau, including leading DOB’s legislative affairs efforts.

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 where he analyzed policy and legal issues pertaining to construction and housing, and most notably drafted local laws intended to improve safety in the construction industry and to protect tenants living in occupied buildings under construction.

Guillermo is a lifelong resident of Queens and serves on the Board of Trustees for the Queens Public Library. He earned a Bachelor of Arts in Political Science from Hofstra University and a Juris Doctor from New York Law School.

Laura Popa, Deputy Commissioner


Laura Popa, Deputy Commissioner

Laura Popa serves as the Deputy Commissioner of Sustainability for the New York City Department of Buildings. In this role, Laura leads the newly created Bureau of Sustainability, which will spearhead all sustainability initiatives at the Department. She works closely with DOB’s team of sustainability specialists to push forward Department actions that will help New York City achieve its climate goals and continue to serve as a model for energy efficiency and emissions reductions.

Laura joins the Department after more than 22 years of public service. She was a legal and policy advisor at the New York City Council and the New York City Taxi and Limousine Commission. During her public service career Laura oversaw the development of legislation and policy at the City Council and directed the Council’s efforts to enact landmark legislation that supports citywide greenhouse gas emissions limits, the institutionalization of long-term sustainability and resiliency planning, and the expansion of clean and renewable energy. She also served on numerous advisory boards and task forces related to sustainability and was a member of the Mayor’s Commission on Gender Equity.

Previously Laura taught at Fordham Law School for many years, and she is currently a lecturer at Columbia University. A long-time resident of Brooklyn, Laura earned her B.A. from New York University and her J.D. from Fordham 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.

Mona Sehgal, Associate Commissioner and General Counsel

General Counsel

Mona Sehgal

Mona Sehgal serves as Associate Commissioner and General Counsel for the New York City Department of Buildings (DOB). In this role, Mona oversees the Office of the General Counsel’s which handles legal matters in connection with NYC Construction Codes, zoning and other relevant laws. The Office defends DOB determinations at the NYC Board of Standards and Appeals, prosecutes citywide unsafe buildings cases in the NYS Supreme Court, and works closely with the NYC Law Department on agency-related litigation and other matters. In addition, the Office advises the Department on conflict-of-interest issues working closely with the NYC Conflict of Interest Board, responds to Freedom of Information Law (FOIL) requests and third-party subpoenas, and handles rulemaking in accordance with the City Administrative Procedure Act process.

Prior to joining DOB in 1996, Mona was an Assistant Corporation Counsel at the New York City Law Department where she handled litigation for various divisions, including commercial, real estate, and the administrative law divisions.   

Mona earned a Bachelor of Arts in Political Science and Psychology from New York University and a Juris Doctor from Northeastern University School of Law.

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