We enable both individual growth and organizational results, contributing to long-term competitiveness and sustainable business success.
Through coaching, we support the development of leadership, decision-making capability, and organizational effectiveness required of managers and senior leaders, including C-suite executives and division heads.
By connecting corporate strategy and business objectives with individual roles, and by fostering reflection and behavioral change at the managerial level, we help drive sustainable improvements in overall organizational performance.
For employees, we offer career development coaching programs as part of global talent development initiatives. By supporting employees in taking ownership of their careers and balancing personal growth with organizational contribution, we help strengthen engagement and improve retention.
Through coaching programs tailored by level and purpose, we enable both individual growth and organizational results, contributing to long-term competitiveness and sustainable business success.
What Is Coaching－A Beginner's Guide to the Basics and How It Works
If you're looking to grow toward goals that truly reflect who you are, coaching can be a powerful support on your journey. Through meaningful dialogue, coaching helps you discover the strength and potential within yourself and take action. If you’re curious about what coaching really is and how it can benefit you, we invite you to explore this guide.
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Cornerstone Strategy’s corporate coaching is designed not only to support individual reflection and development, but also to directly contribute to the execution of business strategy and organizational goals.
We provide structured coaching that aligns individual behavioral change with organizational outcomes, supporting executives, managers, teams, and employees according to their roles and challenges.
By combining leadership development in a global context with talent development initiatives, we help organizations build long-term capability and strengthen their competitive advantage.
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1Coaching Designed in Direct Alignment
With Business Strategy - Coaching themes are defined in alignment with business strategy and organizational goals, ensuring that individual development translates into tangible organizational impact.
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2Coaches With Deep Expertise
in Organization and Talent Development
and Diverse Global Experience - Cornerstone Strategy’s coaches bring not only professional expertise, but also firsthand experience working and living in global environments and deliver coaching in accordance with our quality standards. Our coaches engage in dialogue that goes beyond personal reflection, incorporating a realistic understanding of organizational structures and career dynamics.
Our coaching team includes professionals with backgrounds such as:- Professional coaches trained under internationally recognized standards
- HR consultants with experience in HR strategy, organizational development, and talent management
- Former expatriates with overseas management and leadership experience
- Former accompanying spouses who have navigated career and life transitions in global assignments
- Former HR professionals with hands-on experience in talent development, placement, evaluation, and career support
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3Coaching Aligned With International Standards and Strong Ethical Principles
- All coaching provided by Cornerstone Strategy adheres to the core competencies and ethical standards of the International Coaching Federation (ICF). We place the highest priority on confidentiality and provide a safe space for open and honest dialogue.
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4Programs Optimized by Level and Role
- We offer coaching tailored to executives, middle managers, teams, and employees, focusing on the perspectives and behavioral shifts required at each level. Programs are designed to address real-world challenges and promote learning and change that directly translate into practice.
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5A Practice-Oriented Approach That Connects Reflection With Action
- In addition to deep reflection through dialogue, we emphasize applying insights to real decision-making and actions in the workplace, enabling practical and sustainable change.
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6Integrated Support That Balances Individual Growth and Organizational Results
- By viewing individuals, teams, and organizations as interconnected rather than separate, and by combining multiple coaching programs as needed, we support long-term organizational capability and competitiveness.
Programs
We provide coaching tailored to each client’s challenges and goals.
- Global Executive
Leadership Program - Global Management
Effectiveness Program - Global Employee Career
Development Program - Global Team Performance
Alignment Program
Global Executive
Leadership Program
Deepening Decision-Making and Leadership in Global Management
In an environment marked by overseas expansion, multicultural teams, geopolitical risk, and high uncertainty, the quality of executive decision-making has a direct impact on enterprise value.
By reflecting on past leadership experiences and decisions, participants clarify their values and decision-making frameworks, and define the criteria they use when making strategic choices in a global context.
The program supports the development of leadership that guides organizations with a long-term perspective, rather than focusing solely on short-term issue resolution.
This program is well suited for organizations and executives who want to:
- Enable senior leaders to make consistent decisions grounded in clear values and judgment criteria
- Develop executives who can lead strategy and organization across global and multicultural operations
- Strengthen leadership capability to guide sustainable growth amid uncertainty
- Avoid decision-making driven by short-term reactions or past successes
- Reduce reliance on individual leaders rather than robust leadership capability
- Prevent executive isolation and the narrowing of perspective in critical decisions
Global Management
Effectiveness Program
Strengthening Judgment and Execution Capability for Managers in Global Environments
Managers leading culturally diverse teams while being held accountable for results require advanced judgment and flexible management skills.
Participants reflect on their management experience, identify strengths and habitual thinking patterns, and clarify their decision-making criteria.
Using real challenges from global business environments, the program helps managers articulate how they think and act, and translate insight into practical action.
This program is well suited for organizations that want to:
- Develop managers who can deliver results in global environments
- Enable managers to act autonomously and decisively across overseas and multicultural teams
- Help managers balance people development with performance outcomes
- Avoid delays and stagnation caused by indecision in global projects
- Reduce excessive individual burden caused by ad hoc responses to cultural differences
- Address situations where strong individual contributors struggle after promotion to management
Global Employee Career
Development Program
Supporting Self-Directed Career Development and Sustaining Global Organization Growth
Through reflection on experience and values, employees clarify the roles they want to play and how they wish to grow in a global context.
By supporting individual career development, organizations can enhance engagement, improve retention, and develop future global talent.
This program is well suited for organizations and HR teams that want to:
- Enable employees to think proactively about their careers amid increasing globalization
- Develop future global talent in a structured and sustainable way
- Increase engagement and retain early-career and mid-level employees
- Prevent disengagement and turnover caused by unclear career prospects
- Encourage employees to take initiative in overseas or new challenges
- Improve situations where global talent development initiatives are not translating into employee development or organizational results
Global Team Performance
Alignment Program
Aligning Diverse Leaders and Maximizing Team Performance in Global Environments
In global business, organizational results depend not only on individual leadership capability, but also on the quality of collective decision-making and team alignment.
Teams reflect on past decisions, relationships, and unspoken assumptions to clarify shared purpose, values, and decision-making criteria.
Through dialogue, the program strengthens mutual understanding and trust, enabling teams to act with consistency and cohesion in global environments.
By focusing on team-level thinking and behavior beyond what individual coaching can address, the program supports organization-wide performance improvement.
This program is well suited for organizations and leadership teams that want to:
- Enable leadership teams to drive global business with shared perspective and purpose
- Develop teams capable of constructive dialogue and high-quality decision-making
- Strengthen cohesion and execution across remote and overseas operations
- Address misalignment and slow decision-making within leadership teams
- Improve situations where strong leaders are not functioning effectively as a team
- Reduce the risk of critical issues remaining unspoken due to lack of open dialogue
Program Comparison
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Global Executive Leadership Program
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Global Management Effectiveness Program
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Global Employee Career Development Program
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Global Team Performance Alignment Program
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| Target | Senior executives leading global business | Middle managers and department leaders | Employees (as a talent development initiative) |
Executive and management teams |
| Primary Objective | Enhance executive decision-making and leadership | Strengthen managerial judgment and execution | Support self-directed career development and retention | Improve team decision-making and collaboration |
| Expected Outcomes | Clear decision criteria and long-term leadership perspective | More consistent judgment and stronger people development | Higher engagement and proactive career ownership | Gather alignment, cohesion, and execution |
| Suitable Business Phase | Global expansion, transformation, growth transition | Strategy execution, organizational expansion | Long-term talent development and retention | Leadership strengthening and organizational transformation |
| Key Focus Areas | Decision frameworks, leadership perspective | Judgment, delegation, people development | Career reflection, values, motivation | Shared purpose, trust, collective decisions |
| Format | One-on-one coaching, online | One-on-one coaching, online | One-on-one coaching, online | Team coaching, online |
- *This table is provided as a reference. Program design is customized based on objectives, business phase, and participant profile.
- *Fees may vary depending on the experience and expertise of the assigned coach.
Our Professionals
Cornerstone Strategy’s coaching is delivered by professionals who share our philosophy, quailty standards, and ethical principles.
While each coach brings a distinct background and expertise, all operate as members of Cornerstone Strategy with a shared commitment to responsibility and client impact.
Our coaches include former expatriates, accompanying spouses, HR professionals, internationally trained coaches, and HR consultants.
They understand the challenges and tensions unique to global environments not superficially, but within their full context.
Detailed profiles are available on each coach’s profile page.
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Shinsuke has over 10 years of experience leading organizational and human capital transformation initiatives at Accenture, Deloitte Tohmatsu Consulting, and JDSC. Has led more than 20 projects across a wide range of areas, including HR strategy development, organizational restructuring, talent development frameworks, HR systems redesign, workforce transformation, and organizational culture change. In addition, has designed and delivered training programs and workshops for employees at all levels, from entry-level hires to managers, supporting the development of over 250 professionals in business, communication, and leadership skills. Relocated to the United States in 2022 and, through a career break and living in a multicultural environment, developed a deeper understanding of diversity and global perspectives. Drawing on these experiences, founded Cornerstone Strategy LLC in New Jersey in 2024 with a strong commitment to supporting Japanese companies. Currently serves as President of the firm, providing coaching and HR consulting services to Japanese companies expanding into or operating in the United States under the purpose of “Japan to the World.”
Credentials:
- ICF - ACC
- NLP Master Practitioner Certification – American Board of NLP (ABNLP)
- Certified LAB Profile® Master Practitioner
- Executive Coach
- Leadership Coach
- Business Coach
- Career Coach
- HR Consultant
- Organizational Development Consultant
- Talent Development Consultant
- Training Facilitator
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After graduating from university in 2012, Kengo began his career in corporate planning at a pharmaceutical manufacturer. In his fourth year, he was assigned to the company’s subsidiary in Vietnam, where he served as the head of the administrative division and led the management of local teams. In 2022, Kengo transitioned to an electronics manufacturer and worked as an HR Business Partner, partnering closely with business leaders to drive a broad range of initiatives including talent strategy development, talent management, and organizational issue resolution.Drawing on his own experience of navigating the challenges of working and building a career overseas, he is currently active as an Overseas Career Coach. Through this role, he supports individuals in shaping their ideal career paths, developing their professional capabilities, and enhancing their overall well-being, with a particular focus on careers that involve working abroad.
Credentials:
- Certified Career Consultant certificated by Japan Government
- Career Coach
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Tatsuro Kano is an executive coach and leadership advisor with over four decades of experience in global business environments. He spent more than 30 years in senior leadership roles at a major Japanese multinational, including extensive assignments in the United States and Asia, where he led organizational transformation, leadership development, and cross-border management initiatives. Drawing on his background as a corporate executive and his professional coaching training, he brings a practical, reflective, and culturally grounded perspective to leadership and executive development. He is currently based in Japan and engages in advisory and coaching activities on a limited, project-based basis.
Credentials:
- CBLーAssosicte coach
- CBLーFacilitation coach
- Executive Coach
- Leadership Coach
- Business Coach
- Career Coach
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A seasoned professional with a consistent career in the energy industry, spanning human resources, sales, new business development, and industry relations. With 15 years of extensive experience in international operations—including 10 years stationed in the U.S. (5 years) and Singapore (5 years) —I have managed diverse projects across the Middle East and Australia.[Leadership & Achievements]Experienced in managing multicultural teams and served as COO for a joint venture, where I successfully led a corporate turnaround following an impairment.[Coaching Expertise]Certified by the Ginza Coaching School, I leverage my firsthand experience of bridging the gap between headquarters and local subsidiaries (overcoming the "OKY" challenge). I specialize in supporting expatriate managers, assisting with career transitions, and mentoring students considering or returning from study abroad.[Education & Credentials]MBA, International University of Japan (Exchange program: London Business School)LL.B., Kobe UniversityEIKEN Grade 1 / Certified Coach
Credentials:
- MBA / EMBA
- Coach certificated by Ginza Coaching School
- Executive Coach
- Leadership Coach
- Business Coach
- Career Coach
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Juliana Yi is a global HR leader and executive coach with over 20 years of experience across the United States, Japan, Korea and Europe. She has worked in senior HR roles within multinational organizations, supporting both strategic initiatives and day-to-day HR operations in complex, matrixed environments. Her experience spans talent management, organizational development, and HR operations, with a focus on helping organizations align structure, people, and leadership practices. She has been closely involved in real-world HR challenges, including organizational restructuring, leadership transitions, and cross-border team management. Juliana brings a practical and grounded perspective to her work, combining business understanding with hands-on HR experience. She is particularly experienced in cross-cultural environments, supporting leaders and teams in navigating differences in communication, decision-making, and organizational expectations.
Credentials:
- ICF - ACC
- iPEC CPC
- SPHR (Senior Professional in Human Resources)
- GPHR (Global Professional in Human Resources)
- ODCP (Organization Development Certified Professional)
- Executive Coach
- Leadership Coach
- HR Consultant
- Organizational Development Consultant
- Talent Development Consultant
- Training Facilitator
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Robert is a trusted Human Capital partner and advisor to executive teams on organizational design and talent strategy, driving business results through enhanced development, employee engagement, and retention. His expertise includes people integration, workforce planning, performance management and developing high-potential talent to cultivate best-in-class cultures. He is results-oriented and a critical thinker with a proven ability to design and deliver solutions. Robert is also a Certified Leadership Coach (ICF-ACC) with extensive experience advising senior leaders and driving organizational change within global spaces. A graduate of the Heidrick & Struggles x Rutgers University "Leadership Coaching for Organizational Performance" program, he is passionate about fostering growth and maximizing individual potential through coaching. A self-described “lifelong scholar-athlete”, in his spare time Robert enjoys the challenge of keeping fit at the local YMCA and travel with his wife and sons – recently hiking the Inka Trail to Machu Picchu ("Peek-chu"). Current learning includes golf and wheelies on his mountain bike. Robert holds a Bachelor’s degree in Liberal Arts from Columbia University and a Master’s in Labor and Employment Relations from the Rutgers School of Management and Labor Relations.
Credentials:
- ICF - ACC
- Master's, Labor and Employment Relations
- Executive Coach
- Leadership Coach
- Career Coach
- Organizational Development Consultant
- Talent Development Consultant
Coaching Engagement Process
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Step 1
Inquiry and Consultation
Please contact us through the website.
*No fees are charged at this stage.
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Step 2
Initial Interview
A Cornerstone Strategy representative meets with executives or HR leaders to clarify objectives, organizational context, coaching themes, and suitability of one-on-one or team coaching.
During this interview, we focus on clarifying the following points:- The objectives of introducing coaching and the changes you expect to achieve
- The current situation of the organization and the target participants
- The key themes that should be addressed through coaching
- The suitability of one-on-one coaching or team coaching
This is a collaborative design dialogue, not a program-driven sales proposal.
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Step 3
Coaching Direction and Design
Based on the information gathered during the interview, we outline the appropriate coaching program direction and engagement approach (including how the coaching will be conducted and the estimated duration), and propose potential coach candidates.
In selecting candidates, we consider the following factors comprehensively:- Areas of professional expertise and practical experience
- Understanding of global business environments
- Language capabilities
- Alignment with the participants and the organization’s current stage or context
For corporate engagements, we prioritize not only individual compatibility but also alignment with the organization.
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Step 4
Final Design and Quotation
Once the coach and engagement approach have been finalized, we will provide the following information:
- The details of the coaching engagement (format, frequency, and style of involvement)
- The expected duration
- Fees and contract terms
After reviewing the scope and pricing, you may decide whether to proceed with the engagement.
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Step 5
Contract and Coaching Start
If you agree with the proposed plan, we will proceed with signing the contract and arranging the payment process.
Once the first session is scheduled, the coaching engagement will begin.
An orientation with the assigned coach will be conducted.
The purposes of this session are:- To confirm the coaching approach and philosophy
- To begin building a relationship with the participants
- To reconfirm confidentiality and clarify roles and responsibilities
This session is not intended for problem-solving or evaluation.
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Step 6
Interim Check-in and Feedback (as needed)
Depending on the progress of the coaching engagement, we may schedule an interim check-in.
The purpose of this discussion is to:- Align expectations regarding the coaching process
- Confirm whether any adjustments to the structure or design are necessary
- Clarify key considerations for the next phase
*This is not intended to evaluate or report on the content of coaching sessions.
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Step 7
Continuation or Adjustment Proposal
In the latter part of the contract period, we will discuss options for the next phase of the engagement.
Possible options may include:- Continuing with the same coaching structure
- Adjusting the scope, participants, or engagement approach
- Expanding to additional formats such as team coaching
Start With a Conversation With Us
In global management, leaders are constantly required to make decisions without clear answers and to respond to unprecedented situations. Rather than waiting for issues to surface, it is often more effective topause when uncertainty or misalignment begins to emerge and examine the situation structurally.
Cornerstone Strategy’s corporate coaching goes beyond dialogue facilitation. We provide partnership-based support that clarifies what needs to be considered and where decision-making anchors should be placed, taking into account business context, organizational dynamics, and global constraints.
We do not propose coaching by default.
We begin by listening to your situation and exploring whether coaching is truly the most meaningful option for your leadership and HR decisions.
To define your next move in a global environment with greater confidence, we invite you to start with a conversation.
Contact
If you are a business leader facing challenges with HR strategy or organizational management in global markets, or a professional seeking to build a career in a global environment, we invite you to reach out to us.
We would be happy to propose tailored solutions that align with your company’s specific needs and context.