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EMEA
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Asia Pacific
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South America
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DeLynn Senna is the Senior District President of Robert Half executive search. Leading global operations covering 11 countries, she’s responsible for all operational aspects of the retained executive search business. A 24-year veteran of Robert Half, DeLynn is known for building consensus around a strategic vision, leading teams to perform at exceptional levels, and enhancing the customer experience.
First joining Robert Half in 1996, DeLynn has built a successful career, driving operational excellence across multiple practices and geographies. Previously, she served as senior district president for legal talent solutions in the United States, executive director for international permanent placement solutions and senior managing director for executive search in Europe. She also spent 12 years as executive director for Robert Half’s permanent finance and accounting practice.
DeLynn is a certified public accountant (inactive), author, and frequently speaks on workplace-related topics. Committed to supporting the next generation of women, she currently serves on the executive committee for Robert Half’s Global Women’s Employee Network.
DeLynn graduated from Texas A&M University with a Bachelor of Business Administration in accounting and launched her career with one of the world’s largest accounting firms.
Wayne S. Mello is the Executive Director of Robert Half Executive Search. Based in the firm’s Boston office, he sets strategic and tactical direction, optimizing and expanding our retained search brand throughout the United States and globally.
Wayne has more than 50 years of staffing industry experience, including as Senior Vice President and Assistant General Manager of Scott Wayne Associates, and founder of the Thelton Group, where he served as President and CEO until its acquisition by Robert Half in 1990. During his Robert Half career, Wayne has held positions as Executive Director of the company’s finance and accounting practice, and Executive Director of Robert Half's International Zone. He was instrumental in launching Robert Half’s retained executive search service in 2007, serving as President until 2023.
Wayne is a well-known executive search and recruitment industry expert, having authored numerous articles and spoken to audiences worldwide on management-related issues. His philanthropic efforts include the Make-A-Wish Foundation and the Pan-Mass Challenge for cancer research.
Wayne attended St. Anselm College in Manchester, N.H.
Steve Ankney is the Senior Vice President of U.S. Search Execution for Robert Half Executive Search, specializing in identifying and vetting senior-level leaders in executive management, financial, operations, sales and marketing, technology, healthcare, legal, and human resources. He also manages the growth and development of all U.S. recruitment efforts.
Having started his career with Robert Half’s Technology division in 2010, Steve expanded his skills and built a strong multi-industry network that he leverages to identify top-level talent for his diverse blend of clients. Steve also lends his technology expertise to implement software, databases and other digital tools that contribute to the success of our search process.
Steve is on professional advisory committees at several universities and has helped develop and support career services teams throughout the Midwest. On several occasions, he has been a key speaker on technology trends for the Association of Information Technology Professionals and the Help Desk Institute.
Steve graduated from the University of Toledo with a bachelor’s degree in business administration with a focus on information systems and e-commerce.
With over 25 years of international experience, Ash brings a global perspective to executive search and has successfully completed high-level searches for public, for-profit, nonprofit, and private companies across the United States, the United Kingdom, Europe, the Middle East and the Asia-Pacific region.
For clients of Robert Half, Ash has successfully built senior executive leadership teams, including placing C-suite executives for roles such as CEO, president, CFO, COO, CIO, CISO, CHRO, chief development officer, chief clinical officer, vice president and director.
Ash is a supporter and mentor for students at the Bayes Business School at City, University of London, as well as a regular contributor of articles to renowned media publications. Additionally, Ash helps raise funds for the Parkinson’s Foundation, American Diabetes Association, and the Leukemia Lymphoma Society.
Ash has a Master of Business Administration (MBA) from the Bayes Business School at City, University of London; a postgraduate diploma from the Chartered Institute of Marketing in the United Kingdom; and a bachelor’s degree in computer engineering.
Leigh is a seasoned executive and trusted talent advisor with over two decades of experience in retained search engagements across a wide range of industries and functional areas. She partners with a diverse client base that includes Fortune 500 firms and small and medium-sized public and private companies, as well as private equity and venture-backed companies. She has additional expertise with founder-driven and family-owned entities, advising owners, CEOs, and investors through times of ownership, generational or leadership shifts.
Leigh assists her clients in finding the very best talent for the C-suite and leadership teams in finance, accounting, legal, operations, technology, human resources, sales and marketing. Her expertise spans across a variety of industry sectors, including manufacturing, healthcare and life sciences, retail and e-commerce, entertainment, hospitality, information technology, and professional services. She is distinguished by her successful track record and network. Her approach combines the strategic power of data, a finely tuned ability to understand the client’s organization and the ability to identify high-caliber leaders who fit the culture.
Leigh has been involved with numerous organizations, charities and alumni groups, including the American Cancer Society, the Pulmonary Fibrosis Foundation and the Boys & Girls Clubs of America. She is an active supporter of her community and spends time mentoring and teaching disadvantaged youth. As an animal lover, Leigh is also a member of the ASPCA and volunteers at the Anti-Cruelty Society.
Leigh attended Illinois State University, where she earned a Bachelor of Arts degree in journalism and mass communications.
Bryenne Libby is the Director of U.S. Research Operations for Robert Half’s retained executive search service. She provides research and market intelligence across a wide range of industry sectors for both our national and global offices.
Since her start at Robert Half back in 2013, Bryenne has made a substantial impact in department operations, team training and development — all while implementing targeted research and data mining strategies that have proved essential in helping Robert Half maintain a competitive advantage with clients and candidates.
A summa cum laude graduate in communications and dance at Roger Williams University, Bryenne regularly participates in events for the Wakefield Alliance Against Violence, as well as the American Cancer Society’s Making Strides Against Breast Cancer. She also works with Relay for Life events and teaches dance for local community youth programs.
