Our Expert Team

Exceptional Team of
Seasoned Professionals

At HSG, we take pride in our exceptional team of seasoned professionals who bring a wealth of experience and expertise to our global consulting firm. All team members have experience spanning multiple decades and have held senior leadership positions in multinational corporations across the energy, industrial, and chemical sectors, operating on a global scale.

With a steadfast commitment to excellence and client satisfaction, our team embodies the core values of trust, integrity, and professionalism. We foster a collaborative environment, leveraging our collective knowledge and experience to provide you with the highest quality advisory services.

Partner with HSG and benefit from the expertise of our exceptional team. Together, we will navigate the complexities of the business landscape, uncover new growth avenues, and devise innovative strategies to fuel sustainable success. Your goals become our goals, and we are committed to helping you achieve them.

Our team consists of highly accomplished individuals with a deep understanding of strategy, mergers and acquisitions, technology, B2B marketing and finance. Their diverse backgrounds and extensive knowledge enable us to provide comprehensive and insightful solutions tailored to your specific needs.



Leadership

Walid Ardhaoui

Principal

Walid Ardhaoui is an executive advisor with more than 25 years of leadership experience across strategy, mergers and acquisitions, and finance. He partners with multinational organizations on pivotal decisions, bringing a global perspective and a disciplined approach to complex strategic and operational challenges.

He directed strategy, M&A, and finance for multinationals in the industrials, chemicals, and energy sectors, shaping strategic agendas and overseeing major transactions and transformation initiatives. His approach combines pragmatism, operational depth, and precision—advancing outcomes through clarity, stewardship, and collaboration.

Walid holds an advanced degree in Finance and Management Systems Engineering from Virginia Tech and has completed executive education at Harvard and Stanford. A fluent French speaker, he contributes to academic and business communities through select university panels and advisory boards.

 

 

Dr. Manoj Koranne

Dr. Manoj Koranne is a visionary technology and innovation leader with over 25 years of experience turning scientific advancements into strategic growth opportunities. As a trusted advisor to multinational CEOs and executives, he is recognized for bridging product, process, and manufacturing innovations to drive transformative business outcomes.

Throughout his career, Manoj has successfully led global R&D organizations through pivotal change, aligning technical vision with strategic priorities to accelerate product development, unlock new markets, and enhance competitiveness—both organically and through mergers and acquisitions. His leadership exemplifies operational excellence and a forward-thinking approach to innovation.

Manoj holds a Ph.D. in Chemical Engineering from the University of Pittsburgh, a B.S. from the University of Mumbai, and executive education from the Wharton School of Business. His expertise is reflected in his portfolio of patents, influential publications, and impactful keynote speeches that inspire leaders across industries.

 

 

Alex Nesbitt

Alex Nesbitt is a former Partner and Managing Director at Boston Consulting Group, as well as a CEO and board director, with over 30 years of experience helping companies navigate strategic inflection points and operational transformations. He advises senior executives on high-impact initiatives across corporate strategy, technology, M&A, and performance improvement.

At Boston Consulting Group, Alex was a core leader in the firm’s North American Industrial Goods Practice. He went on to found and lead Sameday Technologies as CEO, building it into a leading third-party fulfillment platform that was later acquired by Ryder Logistics. His career has since spanned board roles, early-stage investing, and senior advisory positions with companies across the industrial, energy, and technology sectors.

In addition to his advisory work, Alex serves as a coach and mentor to CEOs, helping them grow as leaders while driving clarity and performance across their organizations. He is a graduate of Stanford University.

 

 

John Hall

John Hall is a seasoned global executive and strategic advisor with over 25 years of experience, with a focus on sales, business development, B2B marketing, and business transformation.
John has a consistent track record of growing market share, revenue, and profitability for global organizations across diverse sectors. He brings deep expertise in identifying new growth opportunities and driving successful product introductions. He has worked extensively across North America, Europe, the Middle East, and various emerging markets, leading cross-functional initiatives and strategic growth programs.

John held senior leadership roles at LyondellBasell, Cristal Global and W. R. Grace, where he led global sales and marketing, commercial strategy, M&A pipeline development, and due diligence activities. He now advises major companies and growth-stage businesses on navigating complex challenges, accelerating growth, and achieving transformative results.

John is a graduate of Heriot-Watt University and a Market Edge alumnus.

 


Chris Tagoe

Chris Tagoe is an accomplished international operations executive with deep expertise in chemical engineering, quality, health, safety, and environmental leadership.

He has led HS&E and operational excellence across global organizations, including LyondellBasell, Kraton, Schlumberger, and Cameron International; aligning leadership teams, business objectives, and safety strategy to build safety-first cultures that become true competitive differentiators.

Chris brings a principle-driven approach to leadership, building transparency and accountability into operations worldwide. His global experience enables him to align teams across varied regulatory environments, languages, and work practices — creating safer workplaces, more reliable performance, and stronger stakeholder trust. He reinforces the systems that sustain operational discipline and quality — resolving issues before they escalate, improving reliability at scale and delivering lasting performance gains.

Chris holds a Bachelor of Science in Chemical Engineering from the University of Massachusetts Lowell and a Master of Science in Chemical Engineering from Northeastern University.