Find your next leader with Executive Search

Based in Tokyo, Andrew Sipus is a Managing Director at Robert Half’s executive search division, where he leads retained searches for senior leadership and executive appointments across Asia. His expertise spans human resources, finance & accounting, sales & marketing, operations, and consulting functions.

With more than 14 years of international retained search experience, Andrew has partnered with organizations stemming from North America, Europe, and Asia Pacific. His work spans multinational corporations, regional enterprises, and high-growth companies seeking transformative leadership. Known for his ability to connect clients with leaders who not only have the right skills but also align with organizational culture and strategy, Andrew has become a trusted advisor to executive teams navigating change, growth, and succession planning.

Precision in every placement

Andrew takes a bespoke, consultative approach to every engagement, investing the time to deeply understand each client’s mission, vision, and values before identifying and introducing candidates. His ability to tell a client’s story, attract hard-to-find talent, and tap into passive talents through his extensive executive network has helped build resilient leadership teams with lasting impact.

With his personalized, partnership-driven approach, Andrew ensures that each search delivers leaders who bring both capability and cultural alignment, enabling clients to build a competitive advantage in their markets.

"Great executive search is about more than fulfilling a mandate—it’s about ensuring leaders fit seamlessly into the culture and drive long-term success."

Experience

Prior to joining Robert Half Executive Search, Andrew served as a Director at a Singapore-based executive search firm, where he spent five years leading senior-level searches across multiple industries. His client base spans a variety of industries, including organizations in technology, healthcare, FMCG, retail, entertainment & media, real estate, manufacturing, and management consulting. Today, Andrew brings a globally informed perspective combined with deep regional expertise to every search he conducts.

Areas of expertise

• C-suite and senior leadership recruitment
• Cross-border and regional executive search
• Succession planning and organizational growth
• Tailored, end-to-end search delivery
• Region: Japan, Singapore, Hong Kong, and China

Based in Tokyo, Jonathan Quioco (known as JR) is a Managing Director in Robert Half’s executive search division, bringing over 20 years of senior-level recruitment experience, with most of his career focused on the Japanese market.

Jonathan specializes in retained and exclusive executive searches for roles with salaries of ¥15M and above, combining global reach with deep local insight to drive long-term business success. He frequently supports new market entrants and SMEs expanding into Japan, particularly overseas-headquartered companies seeking guidance in building local leadership teams.

Tailored, partnership-driven executive search

Jonathan takes a consultative, partnership-focused approach, investing the time to understand each client’s strategy, culture, and leadership needs. Known for his discretion and impact, he builds high-performing leadership teams that align with organizational goals and create sustainable competitive advantages.

“I approach every search as a partnership, combining careful strategy with a focus on people to create leadership teams that thrive.”

Experience
Before joining Robert Half, Jonathan spent 12 years at a leading global recruitment firm, specializing in executive placements within Sales & Marketing. He built a strong reputation as a trusted advisor in the bilingual talent market.

Jonathan’s expertise spans the technology sector and consumer industries, including packaged goods, sports & entertainment, and communications. While his career has primarily focused on Japan, he has successfully led searches across Northeast Asia, bringing an international perspective to his work. 

Areas of expertise

• C-suite and senior executive recruitment
• Private equity-backed leadership hiring
• Organizational transformation
• End-to-end, tailored search delivery
• Region: Japan, Hong Kong, and Singapore

Based in Tokyo, Japan, Yuka Ikehara is an Associate at Robert Half’s Executive Search division, where she partners with clients on retained searches for senior leadership and C-suite roles across Japan and Asia Pacific. With more than a decade of experience in recruitment and talent advisory, Yuka specializes in advising global and domestic institutions on leadership hiring strategies and delivering end-to-end search solutions tailored to each client’s unique needs.

Having worked in Tokyo, Singapore, and the United States, Yuka brings a multicultural perspective and deep understanding of both Japan’s market dynamics and international hiring processes. She has developed deep expertise in sectors including financial services, banking and capital markets, private equity, fintech, and professional services. Fluent in English and Japanese, she is adept at bridging cultural and organizational differences to connect clients with transformative leaders who can thrive in complex environments.

Precision meets partnership

Yuka takes a consultative and partnership-driven approach to executive search, investing the time to understand her clients’ strategy, organizational culture, and leadership challenges before recommending candidates. She is known for her meticulous evaluation process and ability to engage with senior executives discreetly and effectively, ensuring successful long-term placements that align with both business goals and cultural fit.

“Great search means asking the right questions, listening closely, and pairing insight with partnership to place leaders who elevate the business.”

Experience

Yuka has been with Robert Half since 2015, progressing through roles of increasing responsibility from a Recruiting Specialist in Robert Half Financial Services Group, to now an Associate in Executive Search. She has successfully managed searches across a wide range of organizations, from global investment banks and insurers to innovative fintech and consulting firms. Originally from California, she has educational background in both the US and Japan, and an international work experience at Barclays Capital in Tokyo and Singapore. 

Areas of expertise

• C-suite and senior executive recruitment
• Bilingual (English/Japanese) talent advisory and cross-border hiring
• Market strategy and candidate assessment
• End-to-end, tailored search execution
• Region: Japan and Asia Pacific

Based in Tokyo, Ayumi is an Executive Search Coordinator at Robert Half Executive Search and one of the founding members of the Japan practice. With more than 13 years of experience in executive search, global retained search, and sales support within international organizations, she brings a wealth of industry knowledge and strong operational expertise to her role.

Her responsibilities span the full lifecycle of search engagements, including drafting and managing contracts, coordinating interviews, conducting reference checks, preparing financial documentation, and ensuring all client and candidate touchpoints are handled with discretion and professionalism. 

Seamless experiences through precision and care

Ayumi is known for her meticulous attention to detail, cultural fluency, and ability to manage complex search processes with precision and professionalism. Fluent in both English and Japanese, she plays a pivotal role in ensuring seamless communication between clients and candidates across borders. Her bilingual capability and consultative approach enable her to deliver a smooth, efficient, and discreet experience for all parties involved.

“Behind every successful placement is careful coordination. I take pride in bringing clarity, structure, and a personal touch to ensure a smooth experience for both clients and candidates.”

Experience

Before joining Robert Half, Ayumi served as an executive assistant at a Singapore-based executive search firm, where she spent three years supporting executive search mandates across diverse industries, contributing to each stage of the process. She brings a cross-cultural perspective and a commitment to service excellence that continues to shape her work today.

Areas of expertise

• Customer Service 
• Executive Coordination 
• Candidate Experience