Strategic transaction


As trusted financial advisor of managers and founders, we support companies over their entire life cycle, from early financing rounds through targeted acquisitions to company sales.



€55 bn




Global M&A Partners is one of the world's leading partnerships of independent M&A advisory firms. With offices in over 35 countries, the network has completed over 1,500  transactions with a cumulative value of approx. €55 bn since 2010. In Germany, IOM Advisory is proud to represent Global M&A Partners.

Our versatile team of experienced bankers, entrepreneurs, investors, management consultants, and M&A advisors is an empathic partner with a strategic transaction approach.

We act strategically and think one step ahead to reach value-maximizing results for our clients. Our work is tailored to your company's characteristics as well as its shareholders' needs. Drawing on our extensive transaction experience, we are able to identify and mitigate risks early on and know how to play to your company's strengths.

Empathy is a core value for us; since an M&A transaction often is a once-in-a-lifetime event for our clients, we deem it important to act as our clients' honest and empathic sparring partner. Ideally, we like to meet you long before a transaction to analyze your situation, understand the value drivers and identify potential needs for action that maximize value. We are deal-driven, but our focus is on people. We care about your personal plans and want to make our contribution.  

M&A transactions are complex and unique. An interdisciplinary team can address this challenge best.

Our team comprises experienced bankers, consultants, investors, lawyers as well as entrepreneurs.

Our M&A experts
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Philipp Elsen







Philipp advises shareholders and management teams of small and medium-sized companies as well as investors on acquisitions and company sales.

He is a member of the Operational Committee and co-head of the Business & Industrial Services team of Global M&A Partners. In addition, he has advised deals in the automotive, chemicals, consumer goods, food & beverage, leisure & retail, and industrial sector.

For over a decade, Philipp has been a guest lecturer for Corporate Finance & Valuation at Maastricht University.

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Thomas Labryga







Thomas advises company owners and management teams on M&A transactions and fundraising processes. He started his career as a management consultant where he i.a. played an instrumental role in one of the largest IPOs in Germany. Afterwards he was Partner in a Venture Capital firm focused on digital technologies in the areas of energy transition, mobility and smart cities.

At Global M&A Partners, Thomas is involved in the Technology and Energy sector teams.

Thomas is a regular speaker at panel discussions and jury member for various startup competitions. Furthermore, he supports growth companies with various advisory board mandates. He holds a Master degree in Finance from Maastricht University (Netherlands) and University of Florida (USA). Thomas is guest author of the book” Digital Cookbook: Essential Recipes for the Digital Journey of Enterprises“.

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Xaver Zimmerer
Advisory Board







Xaver is an active member of the Advisory Board of IOM Advisory GmbH.

As Managing Partner of InterFinanz, Xaver has over 35 years of experience in the M&A business. He serves on the Advisory Board of the Commerzbank AG and is an active member of the Ludwig-Erhard-Stiftung, the Industrieclub Düsseldorf, the German Chamber of Commerce and the Rotary Club Meerbusch.

In addition, Xaver is highly sought-after speaker and editorial contributor, delivering numerous speeches and publishing several leading articles about the M&A business in Germany.







Jennifer Appelt
Senior Advisor







Jennifer is a Senior Advisor at IOM Advisory specialized in healthcare transactions.

Focused on hospitals and rehab clinics, she has more than 15 years' experience in operations and strategic advisory, i.a. advising her clients in hospital acquisitions. In addition, Jennifer has profound experience in the digitization of clinical and outpatient care.


Jennifer authored multiple specialist articles and is a regular speaker for healthcare topics.







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Heinz-Günther Milz
Senior Advisor







Heinz-Günther is a Senior Advisor at IOM Advisory who is focused on M&A transactions in the leisure sector.


Looking back at over 40 years in the international tourism and hospitality industry, both business owners and investors appreciate his unique view which is based on his experience as an entrepreneur, manager and M&A consultant.


In addition, Heinz-Günther has numerous domestic and international mandates at political and economic associations.







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Dirk Wollweber
Senior Advisor







Dirk is a Senior Advisor at IOM Advisory focused on transactions in the retail / real estate industry.


The seasoned investment and transaction manager has advised entrepreneurs and investors on acquisitions and divestitures with a special focus on the retail and hotel industry for more than 20 years.


Dirk holds a law degree as well as an executive MBA. The regular author of professional articles is a university lecturer for international real estate investment and asset management at the University of Biberach, the IUBH and the EBS in Wiesbaden.







Wolfgang Hirsch
Senior Advisor







Wolfgang is a Senior Advisor at IOM Advisory focusing on transactions in the manufacturing industry.


He has more than 30 years of business experience in several industries and management functions.

Based on this he advises medium-sized companies in strategic and operational questions as well as in M&A activities.


In addition, Wolfgang is a regular speaker for sales excellence topics.







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Matthias Engel
Senior Advisor







Matthias is a Senior Advisor at IOM Advisory focusing on transactions in the Energy & Utilities sector.


For the last 15 years, he was responsible for international M&A and capital market transactions as a Senior Manager with RWE AG. Matthias has a successful and long-lasting transaction track-record in the areas of conventional and renewable energy generation (onshore, offshore, photovoltaic), power & gas grids as well as energy retail.
An extensive Venture Capital expertise completes his profile.

Before, Matthias advised clients in M&A transactions in various industries during his time at a major German bank.







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Mike Göller
Vice President







As a Vice President with IOM Advisory, Mike leads M&A projects in the aerospace & defense, automotive, chemicals, industrial, and packaging sector.

He is a member of the Global M&A Partners automotive team and co-heads the deal tracking working group. He is also in charge of Global M&A Partners proprietary transaction multiples database.

Mike holds a B.Sc. in Economics from Heinrich-Heine-University Düsseldorf, Germany.







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Christoph Jennes
Senior Associate

​Christoph is a Senior Associate with IOM Advisory. He supports M&A processes in the following sectors: business services, consumer products, education, food & beverage, and retail & leisure​.

Since 2018, he is a member of the Global M&A Partners food & beverage team.  


Christoph holds a B.Sc. in Economics and an M.Sc. in Financial Economics from Maastricht University, Netherlands.

Prior to his studies, Christoph completed an apprenticeship in retail & corporate banking at a major German bank.







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Maseh Gharjestani
Senior Associate







As a senior associate, Maseh Gharjestani supports clients in the automotive / eMobility, aerospace, services, energy and industry sectors in M&A and fundraising transactions.

In addition, Mr. Gharjestani is part of the Energy Sector Team at Global M&A Partners.

Mr. Gharjestani holds a M.Sc. in Management from the Ruhr University Bochum.

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Sam Brozynski







As an associate, Sam Brozynski supports cross-industry transactions and fundraising mandates in various industries.

He also supports the technology team at Global M&A Partners.

Mr. Brozynski holds a M.Sc. in Global Finance from CBS International Business School and is also a trained banker.

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Claudia Palermo
Finance | HR







Claudia supports founders across different industries in fundraising processes.

She is also responsible for Finance and HR at IOM Advisory.

Claudia holds a double degree Master in Marketing and started her career in market research before joining IOM Advisory in 2020.

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Sandra Schlich
Office Manager







Sandra is IOM Advisory's Office Manager and in charge of business development. 

Before joining IOM Advisory, Sandra worked at growth company HOTELHEAD after positions at Radisson and Marriott International.

She holds a B.A. in Hospitality Management.