Business Details
Global Executive Search & Human Capital Advisory
Calibre One has been a trusted partner in executive search and human capital advisory for over two decades. Our firm specializes in helping public companies, venture capital firms, private equity firms, and their portfolio companies build high-performing leadership teams across technology, financial services, healthcare, industrial, and consumer sectors. With principal offices in San Francisco, New York, and London, we leverage a global network developed over 20 years to connect clients with top-tier talent.Our transatlantic presence allows us to deliver partner-led, high-touch service while supporting companies in expanding beyond domestic markets. We maintain long-term relationships with over 80% of our work coming from repeat clients, reflecting our commitment to understanding client needs and delivering exceptional results through rigorous processes and relentless pursuit of excellence.
Services
Executive Search
Human Capital Advisory
Board Search
Culture Quotient
Leadership Development
Highlights and features
- We offer 20+ years of experience in executive search across global markets.
- Our team maintains deep networks in key technology and financial hubs.
- We provide partner-led service with a 80% client retention rate.
- Our transatlantic presence supports cross-border leadership development.
- We combine rigorous processes with personalized client relationships.
What people say
Exceptional results
Impressed from start to finish
Highly recommended
Diverse candidate slate
Strategic partner
Services
Executive Search
Calibre One specializes in identifying top-tier executive talent for C-suite and board-level positions. Our global network and sector-specific expertise ensure access to qualified candidates across technology, financial services, healthcare, and industrial sectors. We maintain rigorous search processes while delivering personalized service to meet specific organizational needs.
Human Capital Advisory
Our advisory services help organizations optimize leadership structures and talent development strategies. We provide insights on succession planning, leadership assessment, and organizational effectiveness. Our approach combines industry expertise with practical solutions to enhance executive team performance and drive long-term business success.
Board Search
Calibre One conducts targeted board member searches to identify qualified non-executive directors and governance experts. We focus on building diverse boards with complementary skills and industry experience. Our process includes candidate evaluation, market analysis, and alignment with corporate governance requirements for public and private companies.
Culture Quotient
This service assesses and develops organizational culture to enhance leadership effectiveness and team performance. We help clients understand cultural dynamics, implement values-driven leadership practices, and create environments that attract top talent. Our approach combines behavioral science with practical business applications.
Leadership Development
Our leadership programs focus on developing high-potential executives and enhancing existing leadership capabilities. We provide personalized development plans, executive coaching, and strategic leadership training. The programs emphasize practical skills application and alignment with organizational objectives to drive measurable business impact.
People
Tom Barnes
Managing Partner
Tom Barnes leads executive search initiatives with 25+ years of experience in leadership advisory. He specializes in technology and financial services sectors, delivering strategic talent solutions for global clients through Calibre One's extensive network.
James Brocket
Managing Partner
James Brocket focuses on board-level appointments and leadership advisory. With expertise in private equity and venture capital portfolios, he helps organizations build effective governance structures and executive teams across multiple industry sectors.
David Schumer
Managing Partner
David Schumer specializes in healthcare and industrial sector executive searches. He brings strategic insight to leadership development, working with public companies and private equity firms to optimize organizational performance through targeted talent acquisition.
Christos Richards
Partner
Christos Richards leads technology sector searches with focus on digital transformation leadership. He connects innovative companies with executives who drive technological advancement and business growth in rapidly evolving markets.
Hannah Joyce
Partner
Hannah Joyce specializes in consumer sector executive recruitment. She helps build leadership teams for retail and consumer goods companies, combining industry knowledge with talent strategy to support business expansion and market adaptation.
Questions
What industries does Calibre One specialize in?
We focus on technology, financial services, healthcare, industrial, and consumer sectors, providing tailored executive search and advisory services to meet specific industry requirements.
How does Calibre One ensure candidate quality?
Our rigorous search process combines global networks, sector expertise, and personalized evaluation to identify qualified candidates who align with organizational culture and strategic objectives.
Do you work with international clients?
Yes, our transatlantic presence and global network support cross-border executive search and advisory services for clients in Europe, North America, and beyond.
What percentage of clients return for additional services?
Over 80% of our work comes from repeat clients, reflecting our commitment to delivering consistent results and maintaining long-term professional relationships.
How does Calibre One approach leadership development?
We combine organizational culture assessment with personalized development strategies to enhance leadership effectiveness, focusing on practical skills application and business impact.
Can you handle urgent executive placements?
Our team responds to urgent leadership needs with accelerated search processes while maintaining rigorous candidate evaluation standards to ensure quality placements.
