Advisory Leadership Team

Experienced professionals with a proven track record in private markets advisory, M&A transactions and strategic advisory across Europe and the Middle East.

Sebastian Bonmann

Managing Partner

Private Markets AdvisoryM&A TransactionsVenture Capital Due DiligenceCross-Border InvestmentsStrategic Advisory

Sebastian Bonmann is the founder and managing director of BB Advisory, an independent advisory firm focused on strategic projects, private markets, and cross-border investment initiatives. He advises investors, founders, and corporate leaders on investment strategy, market positioning, and complex strategic decisions. His work frequently involves supporting investment processes, evaluating market opportunities, and advising on strategic initiatives in international contexts. Sebastian has worked with venture capital and private equity investors as well as founder-led companies across Europe and the Middle East. Before founding BB Advisory, he gained experience across entrepreneurial and advisory environments, working closely with investors and operating teams on strategy, investment analysis, and growth initiatives. At BB Advisory, Sebastian focuses on helping clients assess opportunities, navigate complex markets, and execute strategic projects that require both analytical rigor and international perspective.

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Max C. Brattig

Partner

Corporate DevelopmentCross-Border M&APrivate MarketsDeal OriginationTransaction Advisory

Max Brattig is a technology entrepreneur and executive with experience in building and scaling digital platforms and venture-backed companies. His work has focused on technology strategy, product development, and the operational scaling of digital businesses. Through his entrepreneurial background, he has worked closely with venture capital investors and international technology teams to develop and expand digital products and platforms. At BB Advisory, Max supports projects involving technology strategy, digital business models, and venture ecosystem dynamics, providing practical insight into the operational realities of scaling technology companies.

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Veronika Landauer

Senior Advisor - Strategic Communications & Brand Positioning

Corporate CommunicationsBrand StrategyInvestor CommunicationThought LeadershipMedia Engagement

Veronika Landauer is a communications professional with more than a decade of experience in corporate communications, brand strategy, and media relations. She has worked across international companies in the luxury, lifestyle, and digital sectors, including brands such as Louis Vuitton, Hermès, Tiffany & Co., and the European e-commerce company Westwing. Her experience includes leading corporate communications initiatives, managing media relations, and supporting executive communication in international environments. She has developed and implemented communication strategies ranging from brand positioning and PR campaigns to digital communication initiatives. At BB Advisory, Veronika advises clients on corporate messaging, brand positioning, and strategic communication. She works with companies to articulate their positioning clearly and communicate effectively with investors, partners, and broader stakeholder groups.

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Jonas Fischer

Senior Advisor

Growth StrategyMarket EntryPartnershipsFounder Advisory

Jonas Fischer is an entrepreneur and business leader with experience in building and expanding companies in technology-driven markets. His background includes leadership roles in high-growth environments and experience in international business development. He has worked closely with founders, management teams, and investors on growth initiatives, partnerships and strategic market expansion. At BB Advisory, Jonas advises clients on strategic development and growth opportunities, particularly in situations requiring entrepreneurial execution and international perspective.

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Our Extended Team

Beyond our core leadership, we collaborate with a network of experienced consultants and sector specialists who bring additional depth and capability to our engagements.

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