Leading with expertise and commitment
Our executive leadership team leverages extensive experience in life sciences and diagnostics to deliver cutting-edge solutions, foster collaborative partnerships, and consistently meet the evolving needs of customers and suppliers worldwide.
Amanda Halford
Chief Executive Officer
Amanda Halford was appointed CEO of Calibre Scientific Group in 2026, following her successful tenure as president of the company's Distribution & Services business. As CEO, she leads the enterprise strategy and execution across Calibre Scientific Group's global platform, focused on accelerating growth, strengthening operational excellence, and advancing the company’s mission of empowering science worldwide. Since joining Calibre Scientific in 2025, Amanda has played a pivotal role in aligning business units, enhancing governance, and driving scalable commercial performance. Her leadership has strengthened the company’s global footprint while elevating customer experience and operational rigor across manufacturing, distribution, and services. Amanda brings more than 30 years of leadership experience in the life sciences sector, with a strong track record for scaling global scientific businesses through commercial and innovation leadership. Most recently, she served as president of Cytiva Bioprocess, where she oversaw the integration of Cytiva and PALL Life Sciences to create the global leader in products and services for biomanufacturing and development. Previously, Amanda served as vice president of Sales, Service, and Commercial Operations at Cytiva and executive vice president of Life Sciences at EAG, Inc., and she held senior leadership positions at Sigma-Aldrich, including vice president of Academic Research Business, vice president of Chemistry and Materials Science Business Units, and vice president of eBusiness. Amanda holds a BSc Honours in chemistry from Imperial College London, an executive MBA from EM Lyon, France, and has completed executive programs at INSEAD and Washington University in St. Louis, MO. She brings a truly global perspective to Calibre Scientific Group, having lived across Europe and the US and worked with customers in over forty countries.
Evangeline Gonzalez
President,
Proprietary Products Business
Vangie Gonzalez joined the company in July 2025 to lead the global portfolio of Calibre Scientific's Proprietary Products Businesses. She brings over 25 years of global executive experience across the life sciences industry, with a strong track record in P&L leadership, innovation, product development, manufacturing, marketing, and commercial strategy. Most recently, Vangie served as president of the Diagnostics Division at Antylia Scientific (acquired by Brookfield for $1.34B), where she led five acquired companies, oversaw approximately $100M in revenue, and managed a team of over 350 people across the US and EU, serving more than ten end markets. Prior to her role at Antylia, Vangie held senior leadership roles including SVP of Life Sciences Strategic Marketing at Becton Dickinson, SVP of Global Marketing at Danaher's Beckman Coulter Diagnostics, and chief marketing officer for the Life Sciences Division at Life Technologies (now part of Thermo Fisher Scientific). She holds a Bachelor of Arts in Chemistry, a Bachelor of Science in Biochemistry, and an MBA in Entrepreneurship from San Francisco State University, and is known for her creative leadership, commercial focus, and executional excellence.
Matt Livesay
Interim Chief Financial Officer
Matt Livesay was appointed Interim Chief Financial Officer of Calibre Scientific Group in May 2026, after joining the company in August 2025 as Vice President of Global Accounting. Matt has brought stability, leadership, and greater global standardization to the finance organization, aligning priorities, policies, and reporting across business units in 11 countries throughout North America, Europe, and South America. He brings nearly 20 years of finance experience, including 15 years within publicly traded companies and the life sciences industry, with expertise in M&A, international finance, IPO readiness, capital raises, investor reporting, and financial reporting systems. He has held executive leadership roles at Alphatec Spine as Vice President of Global Accounting and at Spinal Elements as Vice President of Finance, after progressing from corporate finance positions into leadership roles at NuVasive (acquired by Globus Medical in 2023). Earlier in his career, he worked in public accounting as an auditor and tax advisor at PricewaterhouseCoopers (PwC) and Lindsay & Brownell (acquired by EisnerAmper in 2022). Matt holds a Bachelor of Science in Accounting from The Ohio State University and is both a Certified Public Accountant (CPA) and Certified Valuation Analyst (CVA). He brings a proven track record of scaling finance functions within high-growth multinational organizations.