Derek Amidon
As Chief Executive Officer of the GISI Consulting Group, Derek leads the company’s strategic direction with a focus on technical excellence, sustainable growth, and long-term-value creation. A licensed professional engineer, he began his career in an entry level role and steadily advanced through a range of technical and leadership positions. That hands-on progression gave him […]
Robert Sterzenbach
With 30 years of experience in international finance and operations, acquisitions, and commercial real estate development, Rob provides financial compliance while developing and implementing strategic initiatives. Prior to joining GISI Consulting Group, Rob served as the CFO of Hawaii Gas, a gas energy manufacturing and distribution company providing services to customers throughout the state of […]
Kathleen Archibald
Kathleen brings more than 25 years of experience in aligning business and people strategies both domestically and globally. She leads through organization design and execution of programs and initiatives to ensure the human resources service delivery model supports long-term and sustainable business growth. Prior to joining the GISI Consulting Group, Kathleen held roles in human […]
Michelle Benyacar
With over 30 years of experience in construction law across both law firms and in-house legal roles, Michelle brings deep expertise in risk management, contracts, and dispute resolution. She has represented owners, owner’s representatives, designers, contractors, construction managers and subcontractors, giving her a well-rounded perspective on the complexities of the construction industry. As Chief of […]
Brian Jordan
Brian is a seasoned executive with nearly three decades of progressive management experience in the AEC sector, during which he has implemented a strategy of client development, diversification, and profitable growth. He possesses a deep knowledge of the infrastructure industry complemented with hands on-experience in the water, transportation, energy, natural resources, and environmental sectors serving […]
Jason Thacker
Jason Thacker brings over 15 years of leadership experience across finance, accounting, contract management, and operations. As Senior Vice President of Global Finance at GISI Consulting Group, he plays a key role in driving financial performance, supporting strategic initiatives, and overseeing integration activities across the firm’s global portfolio. Jason has led high-performing teams within the […]
Elizabeth Godo
Elizabeth Godo is Senior Vice President of Corporate Communications at GISI Consulting Group, where she leads global communications strategy across the firm’s diverse portfolio of companies. With deep expertise in brand positioning, strategic messaging, and stakeholder engagement, Elizabeth plays a pivotal role in shaping how GISI and its operating companies communicate their impact to clients, […]
Irene Chan
Irene is a seasoned finance professional with over 20 years of extensive experience in the Asia Pacific market. Initially serving as Asia Finance Director at GISI, she led finance and accounting operations through financial planning and reporting, finance system and automation implementation, tax and treasury, and M&A. Prior to joining GISI, Irene served as the […]
Abdullah Alnabhan
Abdullah leads all engagements across the Middle East with a strategic focus on GISI Consulting Group’s Hill International and Palladium businesses. With over 20 years of experience in strategy, performance management and program management, he has guided organizations through large-scale, complex projects, driving transformative growth and earning both local and international recognition for their success. […]
Sinéad Magill
Sinéad leads GISI Consulting Group’s businesses in the UK, delivering impact in more than 90 countries worldwide. Sinéad has 20 years’ experience leading government-funded programs, with projects spanning humanitarian response, governance reform, post conflict stabilization, economic growth and social inclusion. She played a key role in the UK programming in Iraq and subsequently delivered programs […]