Get to Know us

AKF provides a full range of professional engineering services to support and enhance the built environment. This includes HVAC, electrical, plumbing & sanitary engineering, and fire/life safety engineering. The firm has continued to evolve and expand our services and reach throughout the United States and abroad.

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Mariah Seaboldt

Mariah Seaboldt, PE

Mariah Seaboldt, PE

Mariah is an instrumental member of AKF’s Architectural Code Consulting Practice. She is valued by clients for her responsiveness and subject knowledge. As a skilled communicator, Mariah uses her expert knowledge of building and fire codes to help her clients navigate complex situations during both design and construction. She is incredibly thorough and provides her clients with clear, detailed information to address their specific needs. She has extensive experience in building, fire, life safety, and accessibility code consulting for both existing building renovations and new construction projects. Mariah’s experience includes a variety of project types, including healthcare, residential, higher education, corporate, event spaces, transportation facilities, and hazardous materials.

EDUCATION:
  • MS in Fire Protection Engineering, Worcester Polytechnic Institute
  • BS in Civil Engineering, Worcester Polytechnic Institute
EXPERTISE:
  • Engineering License:
    MA
  • Accreditations:
    ICC Certified Plans Examiner
  • Professional Articles:
    "Expanding the Capabilities of Wood Construction through Mass Timber" (Construction Business Owner)
  • "Modern Codes and Mass Timber Buildings" - (Consulting-Specifying Engineer)
  • "Fire Resistance and Prevention in Wood Buildings" (The Construction Specifier)
Mark Harrison

Mark Harrison, PE

Mark Harrison, PE

Mark is a meticulous project manager, who prides himself on providing clients with innovative solutions to intricate projects. He has a wealth of experience in managing complex projects, particularly those that require installation of new equipment and infrastructure while the facilities remain fully operational. Clients value his no-nonsense approach to project management. Mark is a take-charge professional, respected for his excellent communication skills and his attention to detail.

EDUCATION:
  • BS in Aeronautical and Mechanical Engineering, Clarkson University
EXPERTISE:
  • Professional Engineering License:
    MA
  • Professional Affiliations:
    ASHRAE
Mark Rattenbury

Mark Rattenbury, PE

Partner, New England Division Leader

Mark Rattenbury, PE
Partner, New England Division Leader

Mark brings over 25 years of experience to his role as New England Division Leader. Mark's leadership, patience, and meticulous attention to detail can be attributed to his time in the Navy, where he once served on the submarine USS Lafayette. Today, his steady stewardship in the New England division and his commitment to cross-discipline engagement and teaching of others has made Mark a much sought-after collaborator. His knowledge of the electrical field, execution, and management of technical aspects including specification development, report generation, and quality control make him an invaluable resource for project teams.

EDUCATION:
  • BS in Electrical Engineering, Wentworth Institute of Technology
EXPERTISE:
  • Professional Engineering Licenses:
    CT, MA, NH, RI, VT
  • Professional Affiliations:
    NCEES
Mark Richter

Mark Richter, PE

Partner, National Residential & Hospitality Practices Leader

Mark Richter, PE
Partner, National Residential & Hospitality Practices Leader

As Partner and the firm’s National Residential & Hospitality Practices Leader, Mark is highly respected for his expertise in the planning and design of multifamily residential, hospitality, and mixed-use developments. He has earned a stellar reputation among developers, real estate brokers, architects, and contractors for working with project stakeholders in the planning, designing, and implementing complex building systems. In addition, Mark offers a breadth of experience in Corporate and Commercial market sectors. Mark brings a pragmatic approach to delivering high performing real estate assets and is sought after for his proficiency in engineering healthy buildings.

EDUCATION:
  • BS in Mechanical Engineering, Manhattan College
EXPERTISE:
  • Professional Engineering Licenses:
    LA, MO, NJ, NY, TX
  • Accreditations/Certifications:
    LEED AP
  • Professional Affiliations:
    ASHRAE, ASME, USGBC
Mary Acciani

Mary Acciani, PE

Mary Acciani, PE

Mary brings over 40 years of mechanical engineering experience and a keen understanding of an owner’s perspective to her role, having previously served as the Director of Planning and Construction at Rowan University. A Certified Energy Manager and Certified Green Building Engineer, Mary excels at applying sustainable and high-performance solutions to project designs. She has authored articles in publications such as Facilities Manager Magazine and Green Building and Design.

EDUCATION:
  • MBA, Management, Rowan University
  • BS, Mechanical Engineering, Rutgers University
EXPERTISE:
  • Engineering License
    NJ, PA, NY, MD
  • Accreditations
    CEM, GBE
  • Professional Affiliations
    ASHRAE
Matthew Yandoli

Matthew Yandoli, PE

Matthew Yandoli, PE

Matthew is well-experienced in the field of infrastructure MEP design and is currently Team Leader of the Infrastructure Group at AKF. He is keenly aware of a client’s needs and is very responsive to meeting those needs in a timely and efficient manner. Throughout his career in the industry, he has worked on multiple chiller plant, boiler plant, thermal ice storage plant, generator and combined heat and power designs. Matthew also has a strong passion for providing valuable insight to future engineering leaders; he has trained several AKF members in Revit MEP and has recently been conducting in-house mechanical design seminars with engineers in training.

EDUCATION:
  • BS in Mechanical Engineering, Manhattan College
EXPERTISE:
  • Engineering License: NY
  • Recognition: NYREJ 2019 Ones to Watch
Mike Brumberg

Michael Brumberg

Director of AKF Philadelphia

Michael Brumberg
Director of AKF Philadelphia

Michael brings a wealth of knowledge and engineering leadership to his role of the Director of AKF’s Philadelphia office. He leverages his past experience in the design / documentation of electronic security systems (ESS) including access control, CCTV, intrusion detection, biometrics, and Distributed Antenna Systems (DAS) and in electrical, power, lighting, and low voltage communications systems to bring exceptional value to his clients. Mike’s depth of understanding helps provide innovative solutions to complex projects. Clients and colleagues alike value his outgoing personality, meticulous attention to detail, and ability to clearly explain options to help clients make informed decisions.

EDUCATION:
  • BS in Electrical Engineering, Temple University
EXPERTISE:
  • Accreditations/Certifications:
    RCDD
  • Professional Affiliations
    IAEI, BiCSi Telecommunications Association,
  • AIA Course Instructor
Mike Dooley

Michael Dooley, PE

Michael Dooley, PE

Michael brings his comprehensive industry knowledge and his impressive technical expertise to his role as Partner of the AKF Commissioning team. He has built many long-term relationships of trust with clients who appreciate that he takes ownership of all aspects of a project to bring it to a successful conclusion. Having worked as a service supervisor on process cooling for chilled water plants, he understands how to troubleshoot equipment servicing issues, and his experience with a design / build contractor informed his understanding of the construction process. Mike is also an excellent mentor for young engineers and he has shared his expertise on the topic of Acceptance Procedures at professional industry events.

EXPERTISE:
  • Professional Engineering License:
    CT
  • Accreditations/Certifications:
    LEED AP, OSHA 10, CEM, CCP
  • Professional Affiliations:
    BCA Northeast Chapter, BCA International Chapter, Board Member
Mike Gillespie

Michael Gillespie, PE

Partner, National Healthcare Practice Leader

Michael Gillespie, PE
Partner, National Healthcare Practice Leader

As AKF’s National Healthcare Practice Leader, Michael builds high velocity project and account teams dedicated to improving healthcare design, operational efficiencies, and patient care for premier healthcare institutions. As an industry leader, Mike has managed and grown complex accounts by providing deep industry knowledge and comprehensive understanding of healthcare’s unique business drivers. He is respected by clients and project teams for truly listening to their needs, understanding core challenges, and delivering results to ensure continuity of care. Mike believes in sharing the knowledge he’s acquired through industry discussion panels and through mentorship internally to AKF’s future leaders.

EDUCATION:
  • BS in Mechanical Engineering, University of Hartford
EXPERTISE:
  • Professional Engineering Licenses:
    AZ, NE, NJ, NY
Mike Graber

Michael Graber, PE

Partner

Michael Graber, PE
Partner

Michael is a skilled mechanical engineer and project manager who has earned the trust of clients with his patience, ability to listen, and his wealth of technical expertise. His proficiency in building relationships has grown AKF’s healthcare clients in the New York City metro area while raising our profile nationally. Mike leads AKF’s New York Campus division and has proven an exceptional mentor to junior firm members. It is this devotion to the next generation of engineering that best exemplifies his commitment to and extraordinary knack for leadership.

EDUCATION:
  • BS in Mechanical Engineering, New York Institute of Technology
EXPERTISE:
  • Engineering License:
    NY
Mike Sweeney

Michael Sweeney

Michael Sweeney

Michael is a vital member of AKF’s Energy + Performance team, bringing his technical acumen and experience to his projects. He specializes in building energy modeling (BEM) as well as software development for data analysis and visualization, and has a passion for distilling complex technical analysis into concise and insightful results.

Most recently, Michael collaborated with the Building Energy Exchange and the NYC Mayor's Office of Sustainability to develop the NYC LL97 Carbon Emissions Calculator, which helps building owners estimate their carbon emissions under New York’s recently-enacted LL97. Michael is a strong team player and is admired for his positive attitude, excellent organizational skills, and his diligence in accomplishing project goals.

EDUCATION:
  • MS in Energy Management, New York Institute of Technology
  • BS in Management, Binghamton University
EXPERTISE:
  • Accreditations: BEMP, LEED AP
  • Accomplishment: Developed the NYC LL97 Carbon Emissions Calculator
  • Professional Articles: “Performance Optimization of a Low- temperature Chilled Water Plant Serving a Suite of Operating Rooms”
Nick Valls

Nicholas Valls

Nicholas Valls

Nick’s experience ranges from energy use analysis and conservation to complex new construction of critical environments. He has extensive experience in energy management, sustainability, eco-management, manufacturing, chemical, building controls, healthcare, lab, pharmaceuticals, and facilities management. He is a specialist in executing a wide variety of projects including master planning, new construction, gut renovation, facility assessments, adaptation and renewal. His operating experience includes director of facilities healthcare and regional management of a higher education and healthcare facilities management organization. Nick practically applies LEED® and good sustainability practices, helping clients conserve energy, sustain natural resources, and implement climate action plans.

EDUCATION:
  • Master of Business Administration, University of Hartford
  • BS in Mechanical Engineering, Northeastern University
EXPERTISE:
  • Accreditations/Certifications:
    BSME, LEED® AP
  • Professional Affiliations:
    ASHRAE, USGBC, ASHE, NACUBO, APPA
Nora Swanson

Nora Swanson, PE

Director of Design Technology

Nora Swanson, PE
Director of Design Technology

AKF Group's Director of Design Technology, Nora Swanson is a passionate innovator who uses her enthusiasm for new technology to actively vision the future of the industry. Spring-boarding off her career as a Mechanical Engineer, Nora is responsible for the development and management of AKF's Strategic Technology Plan. She thrives in environments where collaboration is key and her infectious curiosity and excitement surrounding technology enable her to engage others and cultivate meaningful discussions. A self-described rebel thinker, Nora motivates others as she upsets the norm and tests boundaries in seeking new ways to navigate the intersection of technology and the human experience.

EDUCATION:
  • BS in Mechanical Engineering, Villanova University
EXPERTISE:
  • Engineering License: PA
  • Accreditations: LEED AP
Paul Bello

Paul Bello, PE

Chairman

Paul Bello, PE
Chairman

Paul recently transitioned from Managing Partner to Chairman of AKF Group. As Managing Partner from 1998-2017, Paul spearheaded the firm’s growth from two offices and fewer than 100 staff members, to 10 offices with a staff of over 450. The principles that drove the firm’s emergence as a global, full-service engineering practice are based on Paul’s vision for AKF. His passion, strength, and commitment to AKF’s Core Values of Integrity, Empowerment, and Internal Client propelled AKF’s value in the AEC industry.

EDUCATION:
  • BS in Mechanical Engineering, Polytechnic Institute of New York
EXPERTISE:
  • Professional Engineering Licenses:
    CT, DC, MA, MN, NY, OR, PA, TN, WY
  • Professional Affiliations:
    ACEC, ASHE, ASHRAE, Urban Green,
  • ACE Mentor Program of Greater NY Board of Directors, Salvadori Center Board of Directors
Paul Shapiro

Paul Shapiro, PE

Paul Shapiro, PE

Paul is a key member of AKF’s Science and Technology practice. As a LEED accredited professional, many of Paul’s projects focus on incorporating sustainable, energy efficient design solutions. His responsibilities include design, project management, quality control, scheduling, interfacing with the client, maintaining budget and scope, and serving as a technical resource for designers and engineers. Recent projects range from a cGMP production laboratory for a vaccine bio-tech start-up company to a new 480,000 sf core-shell lab-office building. Paul believes in providing knowledge to the next generation of designers and serves as an Assistant Professor at Drexel University, instructing an Environmental Systems course in the School of Architecture.

EDUCATION:
  • MBA in Real Estate Finance, New York University
  • BS in Mechanical Engineering, Cornell University
EXPERTISE:
  • Engineering License: PA
  • Accreditations: LEED AP
  • Professional Affiliations: ASHRAE, ASHE, USGBC