Our Team

Our team brings 30 years of strategy, planning, consulting, and operational experience to the table to help your organization build an energy management strategy attuned to the realities of the 21st century.
Jennifer Kearney

Executive Partner

Before forming Gotham 360, Jennifer served as the Director of Energy Programs for NewYork-Presbyterian Hospital, the largest not-for-profit, non-sectarian hospital in the United States. In that role, Jennifer managed a $70 million energy procurement portfolio including power, renewables, natural gas, and fuel oil. In addition to procurement of supply, Jennifer oversaw the development and construction of an 8MW synchronous cogeneration system, which was the first of its kind in the borough of Manhattan. Her efforts resulted in savings of over $11 million annually, and ongoing national recognition by the EPA as an ENERGY STAR Partner of the Year.

Leveraging her expertise in the healthcare space, Jennifer founded Gotham 360 to support other healthcare organizations with strategies for the development and deployment of energy programs based on combining established best practices with innovation in the implementation of new technologies. Clients from the higher education, industrial, multi-family, and commercial sectors soon followed, and today, Gotham 360 is recognized as a groundbreaking, woman-owned business addressing complex challenges in energy management, efficiency, resiliency, and sustainability.

Jennifer has both authored and been the subject of several articles published in national energy journals including Cogeneration & Onsite Power Production, Breakthrough, and Healthcare Facilities Management. She sits on the Advisory Board of Enterprising Women magazine and is committed to the empowerment of women globally in both her professional and personal life.

Jeffrey Hogan - CEM, LEED GA

Senior Director

Jeff Hogan brings over 7 years of energy and sustainability management experience in the healthcare space to Gotham 360. In his role, Jeff is responsible for supporting all of the company's business segments with a focus on driving efficiency, product development, growth, and expansion. Jeff will work with the Gotham team to supervise our deregulated energy advisory and brokerage portfolio exceeding $1B in annual spend, provide clientele advisory and direction on both macro-economic and localized market trends to support key decision making, support customers with forward purchases of energy commodity and overall risk management, manage energy efficiency project initiation, development, construction, and operation, and lastly, oversee long term client sustainability planning and accounting for greenhouse gas emissions.

Before joining Gotham 360 Jeff worked as the Energy and Commissioning Program Manager at NYPH where he managed energy projects and procurement across their growing portfolio of hospitals. During that time Jeff successfully executed the aggregation of the NYPH utility portfolio, yielding millions of dollars of year over year budgetary savings for the organization. Also while at NYPH, Jeff successfully managed and grew a Green Revolving Fund by installing energy conservation measures that produced incentive checks covering on average 50% of the project's cost. Before NYPH, Jeff served as the Energy and Sustainability Manager at Montefiore Hospital for over 3 years. In his role, he oversaw a broad range of waste reduction and energy conservation projects and programs throughout their healthcare and real estate portfolio. Specifically, Jeff implemented an energy procurement strategy that aggregated the growing Montefiore building portfolio into a singular contract, utilized creative financing solutions to implement energy and capital projects, launched the health system's first Energy Committee with Senior level support, and procured significant incentives for multiple green infrastructure projects (green roofs).

Sarah Gilly - CEM, CEP, LEED AP O&M

Senior Director

Sarah Gilly is a Senior Program Director for Energy and Sustainability Programs at Gotham 360. In her 5 years at Gotham 360, Sarah has engaged in a little bit of everything – energy procurement in deregulated markets; local law compliance facilitation; utility data tracking, reporting, and budgeting; demand-side management; energy efficiency project development and incentive management; greenhouse gas emissions inventories; sustainability programming support; and more.

Some of her favorite achievements include (1) conducting building walkthroughs at all 24 branches of the YMCA of Greater NY, throughout all 5 boroughs, as part of a Remote Energy Manager Program supported by NYSERDA, (2) conducting an in-depth carbon footprint study for her alma mater, Barnard College, which was included in their Presidential Task Force to Examine Divestment report, and (3) spearheading the Stevens Institute of Technology’s sustainability self-assessment which achieved an AASHE STARS Gold rating in 2020.

Prior to Gotham 360, Sarah gained experience in the energy and utilities industry through her work as an analyst at a utility bill auditing firm. There she built a thorough knowledge of utility tariffs and billing practices that allowed her to secure hundreds of thousands of dollars in client savings. In this position, Sarah fostered relationships with utilities, third-party suppliers and regulatory bodies, and communicated the technical aspects of cost-saving opportunities to clients including large real estate management companies, hospitals, and universities. Sarah currently utilizes this expertise to conduct service classification and rate analyses for clients in NYC.

Sarah graduated from Barnard College with a BA in Environmental Policy. She is an AEE Certified Energy Manager, AEE Certified Energy Procurement Professional, and LEED AP for Operations & Maintenance.

Brendan Boyle 

Senior Director

Brendan Boyle brings his broad industry knowledge having extensive experience working at some of the largest energy brokers and suppliers for the past 15 years.

Prior to joining Gotham 360, Brendan served as Senior Analyst for Luthin Associates. Additionally, Brendan has played various account management and analytics roles for Direct Energy, Hess Corporation and Tradition Energy.  He has worked with clients across the country to help them manage risk and achieve sustainability goals.

His work includes developing purchasing strategies and implementing efficiency projects for commercial buildings, industrial facilities, hospitals, universities, and a wide array of businesses.  Brendan brings experience helping clients navigate the ever-changing energy landscape by providing insight into market dynamics, regulatory developments, and demand-side management.  

Brendan received a bachelor’s degree in Accounting from Villanova University and an MBA from Monmouth University.

Ashley Kossakowski - LEED GA, CEM

Director, Energy & Sustainability Programs

As the Director of Energy and Sustainability Programs at Gotham 360, Ashley oversees numerous accounts across a variety of industries, including healthcare, higher education, and commercial real estate. She manages greenhouse gas portfolios, composes Climate Action Plans, and guides energy efficiency improvements through oversight of building retrofits and implementation of new technologies.

Ashley draws on her background in consulting to work with clients to achieve their energy and sustainability goals. Prior to Gotham 360, Ashley consulted with major NYC transportation agencies to define energy and sustainability goals, identify initiatives to help achieve goals, and monitor progress using comprehensive reporting and dashboards. She has an extensive data analysis background and worked with clients such as the NYC Department of Environmental Protection to analyze utility usage and identify savings. Ashley also has experience improving sustainability in higher education; she worked at the Cornell University Office of Energy and Sustainability implementing energy efficiency projects and increasing student engagement in sustainability through social media, events, and dorm competitions.

Ashley graduated from Cornell University with a Bachelor of Science in Environmental and Sustainability Sciences, with a concentration in Environmental and Resource Economics and an Applied Economics minor. She is a certified LEED Green Associate.

Eve Marenghi - Fitwel Ambassador 

Director, Data Science 

As Director of Data Science at Gotham 360, Eve monitors and analyzes energy consumption data for university, medical center, and financial institution clientele through the management of comprehensive energy dashboards. Eve generates data visualizations and reporting to proactively deliver actionable insights to clients including opportunities for cost-saving.

As a masters student in applied data science and urban informatics at the NYU Center for Urban Science and Progress, Eve studied analytics and data science in the urban context. At NYU, Eve conducted projects to study the rate of return to residential solar photovoltaic panel installation and to investigate the potential for adoption of microgrid technology in NYC. Eve gained valuable experience in responsible data management as a research assistant at the Governance Lab at NYU, where she created a data responsibility framework to guide data protocols for the public and private sectors.

Prior to beginning graduate school, Eve worked as a digital analytics consultant where she planned, implemented, and maintained analytics implementations for global brands. Eve has an undergraduate degree in mathematics from the University of Virginia with a minor in biomedical engineering. Eve is a certified Fitwel Ambassador.

DEBORAH ALABI - Fitwel Ambassador  

Mechanical Engineer

Deborah utilizes her education as a mechanical engineer in addition to her technical and program management background to provide Gotham 360 clients with high-quality energy data management services and best practice recommendations.

Deborah has experience in various areas of the energy industry, from sustainable initiatives to energy policy. She collaborates with industry and academic professionals to raise awareness of critical issues in the energy industry and develop solutions to remedy them. She has been involved with teams that have worked to address problems such as increasing awareness of energy efficiency programs in low-income communities and developing sustainable practices to be implemented within a university setting.

Deborah studies Mechanical Engineering at New York University’s Tandon School of Engineering. She is the president of the NYU Collegiate chapter of the American Association of Blacks in Energy (AABE), and president of the NYU chapter of the American Society of Mechanical Engineers.

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New York, New York 10005
Telephone: (917) 338-1023

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