LGA Executive and Leadership Team

May, 2026

Leadership Overview

LGA has 4 executives leading key functions including finance, operations, and business advisory.

Driven by a commitment to client success, LGA delivers comprehensive accounting and business consulting services, fostering collaboration and exceptional client care across diverse industries for over 45 years.

Leadership Roles at LGA

  • Chief Financial Officer - Paula Ellenberg
  • Partner and Head, Fractional Chief Financial Officer Practice, Business Advisory Services - Sieker Steven
  • Partner and Fractional Chief Financial Officer Practice Head - Business Advisory Services - Steven Sieker
  • Chief Operating Officer - Dilia Teixeira
  • Paula Ellenberg - Chief Financial Officer

    Paula Ellenberg, the Chief Financial Officer at LGA, directs the firm's financial strategy and fiscal operations. Overseeing all financial planning, budgeting, and reporting, Ellenberg ensures robust financial health and compliance with regulatory standards. This leadership role involves managing investment strategies and optimizing resource allocation to support LGA's growth objectives and service delivery across Greater Boston. By maintaining stringent financial controls, Paula Ellenberg directly contributes to the firm's stability and its capacity to offer comprehensive accounting and business consulting services to a diverse client base, including construction firms, real estate, dentists, high-net-worth individuals, nonprofits, and technology companies. The Chief Financial Officer's oversight extends to risk management and the implementation of financial technologies that enhance efficiency and client value.

    Sieker Steven - Partner and Head, Fractional Chief Financial Officer Practice, Business Advisory Services

    Sieker Steven, the Partner and Head, Fractional Chief Financial Officer Practice, Business Advisory Services at LGA, spearheads the strategic direction and client engagement for fractional CFO services. This leadership position involves guiding businesses through complex financial landscapes, offering expert advisory on financial planning, forecasting, and strategic decision-making. Sieker Steven's expertise is crucial for clients requiring high-level financial oversight without the need for a full-time executive, particularly within the construction, real estate, and technology sectors LGA serves. The role demands a deep understanding of diverse business models and the ability to deliver actionable insights that drive profitability and sustainable growth. By leading the Business Advisory Services team, Sieker Steven ensures clients receive customized solutions that address their specific financial challenges and opportunities, reinforcing LGA's commitment to exceptional client care.

    Steven Sieker - Partner and Fractional Chief Financial Officer Practice Head - Business Advisory Services

    Steven Sieker, the Partner and Fractional Chief Financial Officer Practice Head - Business Advisory Services at LGA, drives the expansion and delivery of specialized financial advisory services. This role focuses on providing high-impact fractional CFO solutions to a broad spectrum of clients, including nonprofits and high-net-worth individuals, alongside technology and construction firms. Steven Sieker's leadership ensures that clients receive strategic financial guidance tailored to their unique operational and market contexts. The practice head oversees the development and implementation of financial strategies, risk assessments, and business advisory initiatives designed to enhance client performance and financial resilience. Through dedicated collaboration and expert consultation, Steven Sieker upholds LGA's legacy of over 45 years, delivering exceptional client care and fostering long-term financial success for businesses operating in Greater Boston and beyond.

    Dilia Teixeira - Chief Operating Officer

    Dilia Teixeira, the Chief Operating Officer at LGA, orchestrates the firm's operational framework and service delivery excellence. Managing day-to-day operations, Teixeira ensures seamless execution of audit assurance, tax services, and outsourced accounting solutions. This executive function involves optimizing internal processes and resource management to enhance client satisfaction and operational efficiency across LGA's service lines. By driving operational improvements, Dilia Teixeira supports the firm's mission to provide tailored solutions meeting the unique challenges of clients in sectors such as construction, real estate, and technology. The Chief Operating Officer's responsibilities include fostering a collaborative work environment and implementing best practices that uphold LGA's reputation for exceptional client care and over 45 years of dedicated service in Greater Boston.
    Dilia Teixeira

    Frequently Asked Questions Regarding LGA Top Executives and Leadership Team

    Who leads LGA?
    LGA is led by Paula Ellenberg (Chief Financial Officer), along with executives such as Sieker Steven (Partner and Head, Fractional Chief Financial Officer Practice, Business Advisory Services) and Steven Sieker (Partner and Fractional Chief Financial Officer Practice Head - Business Advisory Services).
    Who is part of LGA’s executive team?
    The executive team of LGA includes leaders such as Paula Ellenberg (Chief Financial Officer), Sieker Steven (Partner and Head, Fractional Chief Financial Officer Practice, Business Advisory Services), Steven Sieker (Partner and Fractional Chief Financial Officer Practice Head - Business Advisory Services) and other senior executives.
    How many executives does LGA have?
    LGA has 4 executives leading key business areas.
    What roles are included in LGA’s leadership team?
    The leadership team of LGA includes roles such as Chief Financial Officer, Partner and Head, Fractional Chief Financial Officer Practice, Business Advisory Services, Partner and Fractional Chief Financial Officer Practice Head - Business Advisory Services, Chief Operating Officer.