Moss Executive and Leadership Team

June, 2026

Leadership Overview

Moss has 10 executives leading key functions including human resources, technology, legal, operations, and energy.

Driven by a commitment to excellence, Moss is dedicated to delivering innovative, sustainable construction projects that enhance communities and support vital infrastructure and energy needs across diverse markets.

Leadership Roles at Moss

  • President, California, Hawaii, Mid-Florida, and Texas - Michael Mazza
  • President Energy - Edwin Perkins
  • President, Florida At Moss (Construction) - Brett Atkinson
  • President & Chief Scaling Officer - Andrew McAllister
  • Executive Assistant To Enrique Coello, Chief Human Resources Officer - Geraldine Portuhondo
  • Senior Vice President and Chief Technology Officer (Solar) - Ravi Ravishankar
  • Chief Human Resources Officer - Enrique Coello
  • Chief Legal Officer - Kimberly Henderson
  • Chief Human Resource Officer - Enrique Coelle
  • Jefe De Personal - Brian Sierra
  • Michael Mazza - President, California, Hawaii, Mid-Florida, and Texas

    Michael Mazza, the President, California, Hawaii, Mid-Florida, and Texas at Moss, spearheads operational leadership and strategic growth across these key U.S. regions. Mazza directs project execution and client relations within these diverse markets, ensuring the delivery of high-quality construction management services. This leadership role is instrumental in driving Moss's presence in commercial, institutional, and energy sectors across these states. The President oversees regional teams, focusing on operational efficiency and the successful implementation of innovative, sustainable building practices. Michael Mazza's oversight ensures alignment with the company's national objectives, contributing significantly to Moss's reputation for excellence and its commitment to community improvement through infrastructure development.

    Edwin Perkins - President Energy

    Edwin Perkins, the President Energy at Moss, directs the company's strategic initiatives and operational execution within the energy sector. Perkins oversees the development and delivery of construction management services for critical energy infrastructure projects, including solar energy initiatives. This leadership role focuses on driving innovation and sustainability in energy construction, ensuring Moss meets the evolving needs of the market. The President Energy is responsible for expanding the company's footprint in this vital sector, fostering strong client relationships, and leading project teams to achieve exceptional outcomes. Edwin Perkins's expertise is crucial for Moss's commitment to building sustainable projects that support long-term energy requirements across the United States.
    Edwin Perkins

    Brett Atkinson - President, Florida At Moss (Construction)

    Brett Atkinson, the President, Florida At Moss (Construction), leads all construction management and project execution activities within the state of Florida. Atkinson directs regional operations, focusing on delivering innovative and sustainable projects across commercial, institutional, and multifamily sectors. This executive role is critical for strengthening Moss's market presence and ensuring client satisfaction throughout Florida. The President oversees project teams, manages regional resources, and drives business development efforts to support the company's growth objectives. Brett Atkinson's leadership ensures that Moss consistently provides high-quality construction services, contributing to community development and infrastructure enhancement within the region.

    Andrew McAllister - President & Chief Scaling Officer

    Andrew McAllister, the President & Chief Scaling Officer at Moss, drives the strategic expansion and operational scaling of the national construction company. McAllister oversees initiatives focused on increasing capacity, enhancing efficiency, and extending Moss's reach across diverse markets, including commercial, institutional, and energy sectors. This executive position is crucial for managing growth and ensuring that Moss can effectively deliver innovative, sustainable projects nationwide. The President & Chief Scaling Officer works closely with regional leadership to implement best practices and optimize resource allocation. Andrew McAllister's leadership is fundamental to Moss's ability to undertake complex projects and support long-term infrastructure and community development goals.
    Andrew McAllister

    Geraldine Portuhondo - Executive Assistant To Enrique Coello, Chief Human Resources Officer

    Geraldine Portuhondo, the Executive Assistant To Enrique Coello, Chief Human Resources Officer at Moss, provides critical administrative support to the Chief Human Resources Officer. This role ensures the efficient operation of the human resources department, facilitating strategic initiatives related to talent management and organizational development. Portuhondo manages complex scheduling, coordinates executive communications, and supports the execution of HR policies across the company's diverse market sectors. The position requires meticulous attention to detail and a deep understanding of HR functions to effectively support the executive team in driving employee engagement and fostering a positive work environment. This support is vital for maintaining operational continuity and advancing the company's objectives in construction management and project execution.

    Ravi Ravishankar - Senior Vice President and Chief Technology Officer (Solar)

    Ravi Ravishankar, the Senior Vice President and Chief Technology Officer (Solar) at Moss, directs technological innovation and strategy specifically for the company's solar energy division. Ravishankar oversees the development and implementation of cutting-edge technologies that enhance the efficiency, sustainability, and scalability of solar projects. This leadership position involves guiding research and development efforts, ensuring that Moss remains at the forefront of solar technology advancements. The role is crucial for optimizing project execution and delivering superior value in the renewable energy sector. Ravi Ravishankar's expertise drives the integration of advanced systems, supporting Moss's mission to build innovative and sustainable infrastructure solutions that address long-term energy needs across the United States.
    Ravi Ravishankar

    Enrique Coello - Chief Human Resources Officer

    Enrique Coello, the Chief Human Resources Officer at Moss, leads all human capital strategies and operations across the national construction company. Coello directs initiatives focused on talent acquisition, employee development, compensation, benefits, and fostering a robust organizational culture. This executive role is pivotal in supporting Moss's expansion into commercial, institutional, multifamily, transportation, hospitality, healthcare, government, and solar energy markets. The Chief Human Resources Officer ensures that the company's workforce is equipped with the skills and support necessary to deliver innovative and sustainable projects. Enrique Coello's leadership strengthens the company's ability to attract and retain top talent, driving operational excellence and reinforcing Moss's commitment to improving communities through its construction services.
    Kimberly Henderson, the Chief Legal Officer at Moss, provides comprehensive legal counsel and oversees all legal affairs for the national construction company. Henderson directs the company's legal strategy, ensuring compliance with all relevant regulations across its diverse market sectors, including commercial, institutional, and government projects. This critical role involves managing risk, advising on corporate governance, and supporting contract negotiations and dispute resolution. The Chief Legal Officer plays a key part in safeguarding Moss's interests as it delivers innovative and sustainable construction management services. Kimberly Henderson's guidance is essential for navigating complex legal landscapes and supporting the company's growth and operational integrity across multiple U.S. regions.
    Kimberly Henderson

    Enrique Coelle - Chief Human Resource Officer

    Enrique Coelle, the Chief Human Resource Officer at Moss, leads the strategic direction and operational execution of all human resources functions nationwide. Coelle is responsible for cultivating a high-performance culture, driving talent management initiatives, and ensuring robust employee engagement programs across Moss's extensive operations. This executive position is vital for supporting the company's broad service offerings in construction management for commercial, institutional, and energy markets. The Chief Human Resource Officer ensures that Moss attracts, develops, and retains a skilled workforce capable of delivering innovative and sustainable projects. Enrique Coelle's leadership reinforces the company's commitment to its people, which is fundamental to achieving its mission of improving communities and supporting infrastructure needs.

    Brian Sierra - Jefe De Personal

    Brian Sierra, the Jefe De Personal at Moss, manages personnel functions and human resources operations within the organization. Sierra oversees employee relations, talent management, and the implementation of HR policies to support Moss's extensive construction projects. This role is vital for ensuring a well-supported and productive workforce across all operational areas, including commercial, institutional, and energy markets. The Jefe De Personal works to foster a positive work environment and supports the company's commitment to developing its employees. Brian Sierra's dedication to personnel management is essential for maintaining operational efficiency and advancing Moss's mission of building innovative and sustainable infrastructure.

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    Frequently Asked Questions Regarding Moss Top Executives and Leadership Team

    Who leads Moss?
    Moss is led by Michael Mazza (President, California, Hawaii, Mid-Florida, and Texas), along with executives such as Edwin Perkins (President Energy) and Brett Atkinson (President, Florida At Moss (Construction)).
    Who is part of Moss’s executive team?
    The executive team of Moss includes leaders such as Michael Mazza (President, California, Hawaii, Mid-Florida, and Texas), Edwin Perkins (President Energy), Brett Atkinson (President, Florida At Moss (Construction)) and other senior executives.
    How many executives does Moss have?
    Moss has 10 executives leading key business areas.
    What roles are included in Moss’s leadership team?
    The leadership team of Moss includes roles such as President, California, Hawaii, Mid-Florida, and Texas, President Energy, President, Florida At Moss (Construction), President & Chief Scaling Officer, Executive Assistant To Enrique Coello, Chief Human Resources Officer.