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Our Team

We ensure that the right person is assigned to every task.
Our core teams bring together selected professionals from different fields. By combining our strengths in knowledge transfer, networking, and business development, we create the foundation for tailored solutions for our clients.


In addition, we have an exclusive pool of around 100 highly qualified experts with proven expertise, all of whom have undergone a thorough selection process.

Leadership Team

Simon Frei

Managing Partner / CEO

Simon Frei

The Drive
As an entrepreneur, family man with international experience and three energetic teenage boys, winter sportsman and summer bon vivant, Simon knows how to keep all of life’s balls in the air.
  • Executive MBA Rochester-Bern
  • Bachelor in Business Administration
  • CAS Blockchain Economy HWZ
  • Digital CFO IFZ
  • Board Academy ZHAW
  • Controller Akademie Deyhle
  • Several Controlling and CFO positions in international Swiss companies
  • 5 years operational activity in China

Roland Kleeb

Managing Partner / Team-Lead CFO Experts

Roland Kleeb

The Open-Minded One
When Roland reflects in the garden of his old house in France on his travels to other countries and cultures, it reinforces his liberal view that only those who think outside the box truly move forward. And it’s not just us who appreciate that – our clients do as well.
  • NDS Executive Master in Corporate Finance
  • Bachelor in Business Administration
  • Certified Fiduciary Expert
  • Several Controlling and CFO positions in international Swiss companies

Renata v. Gottberg

Partner

Renata v. Gottberg

The Visionary
Born in the North and raised barefoot in the African bush, Renata is a free spirit with both feet on the ground. She thinks outside the box, acts with determination, and enjoys forging new paths to achieve her goals. Whether as a leader, in international sales, or as a consultant, she connects people and ideas with strategic intuition. In her free time, you’ll find her on the tennis court, exploring the world, or surrounded by her thirteen nieces and nephews – curious, energetic, and always on the move.
  • Commercial Clerk in Freight Forwarding and Logistics Services
  • Bachelor of Arts & P.G.C.E. (Master’s equivalent, University of Cape Town)
  • Several years of international sales experience with award recognition
  • Consultant for Interim Mandates (Executive Search & Management Solutions)
  • 13 years of corporate and leadership experience, including as Branch Director at a publicly listed company

Markus Ziegler

Senior Partner / CFO

Markus Ziegler

The Quiet Force
Calm and strength – each in its time. Just as Markus relaxes in his idyllic home in picturesque Appenzell before drawing from his full energy again, he first listens attentively and then purposefully does the right thing.
  • Bachelor in Business Administration
  • CAS in SME Management
  • CAS Blockchain Economy HWZ
  • Various audit, controlling, and CFO positions at international Swiss companies
  • 2 years of operational experience in Central Asia

Melanie Ott

Talent Consultant

Melanie Ott

The “people person”
Melanie is in her element wherever there are people. She loves interaction, listening, and genuine conversation. Whether she is talking with candidates or spending an evening with family and friends, Melanie creates a sense of closeness, brings people together, and lifts others up with her positive energy. As a single mother of four and a passionate show-jumping rider, she brings outstanding organisational skills, patience, and heartfelt dedication to everything she does.
  • Commercial apprenticeship
  • HR / Assistant in People Development at Alstom Power
  • Office Manager & Research Consultant
  • Senior Recruiter at Insteq
  • 13 years as Senior Recruitment & Headhunting Consultant at Pragmatica

Patrick Comboeuf

Host Digital Executive Forum / Board Member

Patrick Comboeuf

Your Silicon Valley Accomplice
Visionary thinking paired pragmatic implementation skills. Whether working on the most downloaded Swiss mobile app (SBB Mobile) or implementing viable digital transformation initiatives in the most customer-centric way, Patrick is definitely leaving his marks. As an avid skier & golfer with single handicap also on the slopes & greens.

• M. Econs
• CAS Change Management & Digital Leadership
• Director of Studies at the HWZ Hochschule für Wirtschaft (School of Business)
• Decades of an impeccable track record in management , among others, as Head of Digital, CMO, CTO and in business development for manufacturing and (financial) services companies in Switzerland, Europe, the USA and Asia
• 4 years of on-shore operational management experience in Southeast Asia

Tom Schlup

Partner Scaleup Desk / Business Development

Tom Schlup

The Pace Setter
No matter whether as a drummer in a band in the past or in his professional life as a project manager, financial specialist or consultant, Tom always finds the right tone, reliably sets the right tempo and can also bash the drum if necessary. This makes him a dependable partner even in hectic times.
  • Executive Master of Business Administration
  • Bachelor in Business Administration
  • IPMA Level C Project Management
  • CAS Financial Management
  • CAS Project Management
  • Various finance & controlling as well as M&A project management positions in service, trading and manufacturing companies
  • Several years of experience in advising and supporting start-up and scale-up companies.
book a call

Volker Nothacker

Pool of Experts / Talent Acquisition

Volker Nothacker

The Free Spirit
As someone who thrives on movement, Volker likes to ensure that things keep flowing and that there is always room for growth. This applies to the people around him, the positive mindset, time with his family, and equally to his projects.
  • Many years of experience in auditing as well as serving as a board member of a German bank
  • Extensive international experience as a consultant and interim manager
  • Business unit responsibility for building and expanding executive interim management
  • Coaching, Business Mediation

At FS Partners responsible for:

  • Managing and expanding the expert pool
  • Coaching and supporting mandate assignments
  • Sales and marketing

Rebecca Gloden

Contract Management

Rebecca Gloden

The Reliable One
She gains momentum from windsurfing, inspiration from gardening, and – thanks to her kindergarten-aged son – the patience needed for her responsibilities with us.
  • Master of Science in Psychology (University of Zurich) with Business Administration and Labor Law
  • Swiss Certified HR Specialist (Federal Diploma)
  • HR-Advisor
  • Payroll Specialist
  • Service Coordinator in IT Procurement

Andrea Gantenbein

Accounting

Andrea Gantenbein

The Conscientious One
With 26 years of practical experience in fiduciary services – including office management – Andrea combines reliability, precision, and patience. Raised in Stein/AR and now based in Wittenbach/SG, she finds balance in creative hobbies such as decorating, drawing, reading, and cooking. She also has a special love for cats: in her self-created “cat village” she finds peace and contentment.
  • 26 years of experience in fiduciary services
  • Several years of office management
  • Focus areas: fiduciary services, administration, organization

CFO Experts

Roland Kleeb

Managing Partner / Team-Lead CFO Experts

Roland Kleeb

The Open-Minded One
When Roland reflects in the garden of his old house in France on his travels to other countries and cultures, it reinforces his liberal view that only those who think outside the box truly move forward. And it’s not just us who appreciate that – our clients do as well.
  • NDS Executive Master in Corporate Finance
  • Bachelor in Business Administration
  • Certified Fiduciary Expert
  • Several Controlling and CFO positions in international Swiss companies

Markus Ziegler

Senior Partner / CFO

Markus Ziegler

The Quiet Force
Calm and strength – each in its time. Just as Markus relaxes in his idyllic home in picturesque Appenzell before drawing from his full energy again, he first listens attentively and then purposefully does the right thing.
  • Bachelor in Business Administration
  • CAS in SME Management
  • CAS Blockchain Economy HWZ
  • Various audit, controlling, and CFO positions at international Swiss companies
  • 2 years of operational experience in Central Asia

Christian Holderegger

Associate Partner

Christian Holderegger

The Focused One
That mischievous smile is no coincidence. Having seen so much of the world and still finding his dream home in beautiful Central Switzerland, Christian knows that the simplest solution is often the best one.
  • Bachelor in Business Administration
  • CAS in Turnaround Management
  • Controller Akademie Deyhle
  • Various management positions as Head of Finance & Controlling and CFO in international Swiss and foreign corporate groups
  • 2 years of operational experience in Asia

Anne Knapp

Associate Partner

Anne Knapp

The Analytical Achiever
Calm and thoughtful, Anne first takes in the full picture. What drives her is the search for practical solutions that ensure optimal results – not only in demanding mandates, but also on challenging mountain tours, summer and winter alike. Once the path is clear, she follows it consistently until the goal is achieved through successful execution.
  • MAS in Corporate Finance, IFZ
  • Swiss Certified Controller SIB
  • Bachelor in Business Administration
  • Cambridge Certificate of Proficiency in English
  • Various CFO and management positions at internationally active Swiss industrial companies
  • Many years of operational experience in Germany

Markus Staub

Associate Partner

Markus Staub

The Rock
Markus draws his strength from Central Switzerland, surrounded by mountains and lakes. It grounds him, sharpens his focus, brings calm and energy – making him a resilient and goal-oriented partner not only in sports. A true rock, reliable even on the international stage.
  • Executive MBA, University of Zurich
  • Bachelor in Business Administration
  • Various CFO and management positions, primarily in international Swiss industrial companies

Sylvia Heri

Associate Partner

Sylvia Heri

The Trailblazer
With a keen eye for people and situations, Sylvia combines analytical thinking with a strong drive for execution. Whether as host of her boutique hotel «Maison Duroy» in southwest France, in dialogue with clients, or working alongside teams, she creates environments where people feel at ease, ideas take shape, and results can emerge. After more than twenty years in international corporate settings, she now applies her experience precisely where clarity, structure, and a sure touch are required.
  • MAS in Management, Technology and Economics, ETH Zurich
  • Master of Science, ETH Zurich
  • Over 20 years of experience in finance executive roles in international and Swiss IT and service companies
  • Entrepreneur and co-founder of the boutique hotel «Maison Duroy» in southwest France

Frank Stotzem

Associate Partner

Frank Stotzem

Our Man in China
With more than 24 years of international finance experience as an executive, Frank finds his balance to the fast-paced business environment in China through gardening and cycling.
  • MBA, Rutgers University
  • Controller Akademie Deyhle
  • Several controlling positions in German MNCs
  • 18 years of international operational experience in China and the USA

Selçuk Varol

Associate Partner

Selçuk Varol

The Shaper
As a football coach as well as a CFO, Selçuk knows that responsibility, passion and decisiveness make the difference. He takes initiative, thinks in solutions and adapts confidently to new situations. With more than twenty years of leadership experience in banking and international expertise in finance transformation, he supports organisations as an Interim and Fractional CFO with clarity, energy and reliability.
  • Diploma in Business Administration (FH)
  • MAS in Corporate Finance
  • CAS in Financial Regulation
  • Over 20 years of leadership experience in banking, including roles as CFO
  • Interim & Fractional CFO | International Finance Transformation

Christian Egner

Associate Partner

Christian Egner

L’allemand
A native of Munich, he naturally combines unwavering calm with healthy perseverance – qualities he has enriched with a touch of French ease. Or, as his clients like to say: “Chapeau, Christian!”
  • Advanced Federal Examination in Credit Management (Germany)
  • In-house Leadership Training
  • Various positions in audit and controlling as well as CFO roles in international Swiss industrial groups
  • Many years of experience in French-speaking regions (France, North Africa)

Daniel Bulgheroni

Associate Partner

Daniel Bulgheroni

The Balanced One
As a board member of a retirement, care, and residential center – and as a breeder of aquarium fish – Daniel combines responsibility and quality with ease, just as he does in his mandates. A lighthearted sense of relaxation that he also finds during his weekly dance evenings with his wife.
  • Diploma as Expert in Accounting and Controlling
  • SKU Advanced Management Program
  • MAS in Corporate Finance
  • Several Controlling and CFO positions in international Swiss companies

Stephan Rusch

Associate Partner

Stephan Rusch

The Pragmatist
Stephan knows that learning from history is a head start for the future. That’s why he broadens his horizons not only through his mountain activities in Appenzell and Toggenburg, but also by reading historical and political literature.
  • University of St. Gallen – Law (lic. iur. HSG)
  • University of St. Gallen – Business Administration (lic. oec. HSG)
  • Controller Academy Deyhle/li>
  • Several Controlling and CFO positions in international Swiss companies

Ingo Schmuckli

Associate Partner

Ingo Schmuckli

The Insider
Ingo is the only one who could actually build what our clients design. As an engineer and industrial designer, he combines creativity with structure. And to be even closer, he often shows up to your worksite in his camper van.
  • MAS Design Engineering / Innovation
  • Executive MBA ZHW
  • MSc ETH

Cajus Erni

Associate Partner

Cajus Erni

The Storm-Seasoned Leader
Whether serving as CFO, strategic controller or sparring partner to the executive board, Cajus remains steady when the wind picks up. He reads numbers like weather charts, anticipates financial headwinds early and keeps organisations firmly on course. With a clear perspective and a steady hand, he guides companies through demanding phases. In his private life, he embraces challenge while kitesurfing in the strong «Bise» winds or skiing through fresh powder snow.
  • Executive Master of Business Administration
  • Degree in Business Administration (FH)
  • Over 35 years of experience in finance and controlling, including more than 15 years as CFO
  • International CFO, treasury and group controlling roles (including Switzerland and Singapore)
  • Focus areas: cash flow and liquidity management, net working capital optimisation and finance transformation

Siro Azcona

Associate Partner

Siro Azcona

The Solution Finder
Travelled around the world with Swiss multinationals and father of two kids, loves sports and outdoors activities and surely knows how to solve interesting challenges. Whether serving as CFO or as a sparring partner to executive leadership, Siro approaches complex challenges with structure, curiosity and determination. His focus is on turning complex questions into clear, actionable solutions that fast and sustainably improve profitability and cash flow.
  • Bachelor in Finance and International Business, EBS
  • Directors Development Program, IESE
  • Strategic Finance Postgraduate & Board Member Training, IMD
  • Experienced CFO in Swiss multinational companies; improved profitability and cash flow in Industrial Tech and Fashion Retail
  • Works primarily in German and English; also successfully led long-term projects in French and Spanish

Annett Wege

Associate Partner

Annett Wege

The Clear Thinker
Whether in consulting, finance or corporate development, Annett quickly adapts to new situations and brings structure to complex challenges. She has a strong ability to grasp, organise and make sense of intricate topics. Combining analytical clarity with a keen sense for people, she listens carefully, reads between the lines and understands what organisations and individuals truly need. This results in solutions that are not only logical, but also practical and effective in everyday business. In her private life, Annett recharges by working creatively with wool, bringing patience and craftsmanship to her projects.
  • Master in Commercial Law (LL.M. com)
  • Diploma in Business Administration (FH)
  • Postgraduate Diploma Certificate in International Business Research

Renato Zuaboni

Associate Partner

Renato Zuaboni

The Sparring Partner
Renato combines financial clarity with operational rigour. Whether in his professional role or on a mountain bike, he navigates demanding terrain with focus and determination. With a clear path ahead, obstacles are not avoided but tackled directly – in a structured, pragmatic and solution-oriented way.
  • lic. oec. publ., University of Zurich
  • MAS in Corporate Finance, FHNW
  • CFO and senior management experience in international Swiss companies
  • M&A, integration and transformation
  • Private equity

Scaleup Experts

Tom Schlup

Partner Scaleup Desk / Business Development

Tom Schlup

The Pace Setter
No matter whether as a drummer in a band in the past or in his professional life as a project manager, financial specialist or consultant, Tom always finds the right tone, reliably sets the right tempo and can also bash the drum if necessary. This makes him a dependable partner even in hectic times.
  • Executive Master of Business Administration
  • Bachelor in Business Administration
  • IPMA Level C Project Management
  • CAS Financial Management
  • CAS Project Management
  • Various finance & controlling as well as M&A project management positions in service, trading and manufacturing companies
  • Several years of experience in advising and supporting start-up and scale-up companies.
book a call

Christoph Gantzer

Associate Partner

Christoph Gantzer

The Versatile One
Christophe gained his professional skills through diverse experiences across many countries in Europe, Asia, and Oceania before settling by the picturesque shores of Lake Geneva. Here, he supports a wide range of companies – from start-ups to corporates – with his broad expertise, while also delighting his family with delicious international dishes as a dedicated father.
  • European Master in Management
  • Various controlling and CFO positions in internationally active Swiss and French companies
  • Several years of experience in advising and supporting start-ups, scale-ups, and SMEs
  • Certified expert in carbon accounting with current hands-on experience in ESG reporting
  • 7 years of operational experience in Oceania

Philipp Richner

Associate Partner

Philipp Richner

  • Over 7 years of experience as CFO and Head of Finance in high-growth Fintech & Startup environment

  • Deep understanding of tokenization of assets, wallet services as well as interactions related to crypto exchanges and blockchain projects in general

  • Expert in modeling complex business plans, developing cost center models, and implementing advanced reporting and KPI frameworks, including management dashboards.

  • Strong problem-solving abilities with a hands-on approach, adaptable to diverse stakeholder needs

  • Supported 10+ scaleups across various industries:Fintech, Blockchain, Health care, Fitness, Social Impact, Trading, Music

David Grütter

Associate Partner

David Grütter

  • 10+ years’ experience as Managing Director & European Board Member, Head of Marketing, Head of IT, Head of E-Business, Head of Telesales, Head of Sales Operations and Assistant to Group Chief Information Officer
  • Expert in Organization & Corporate Strategy, Digital Business & Strategies, Communication, Sales Management & Organization and Application Product Management
  • 4+ years of international professional experience in marketing, sales and IT in leading positions
  • Fluent in English, French, German and Spanish
  • Expert for diverse ERP, BI & Data and MDM Systems
    • SAP | SAP BW | QuilkSense | MS Power BI | Tableau | STEP by STIBO Systems

Leandro Aeschlimann

Associate Partner

Leandro Aeschlimann

  • Entrepreneur for 2+ years
  • Experienced both as founder (CEO / CFO) and investor
  • Business Intelligence Program Manager
  • SAP TM Implementation Responsible for Europe
  • Senior IT Project Manager / Deputy OPS Director
  • SAFe® certified Product Owner / Product Manager
  • 12 end-to-end ERP Implementations
  • Hands-on Software Development Skills
  • Supported 4 scaleups
    • Health tech | Social Marketing | Consulting | Marketing Gamification
  • Board member for 4+ years
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