Albert H. K. Büll

Partner at B&L Group

Albert H. K. Büll

Albert H. K. Büll

Partner at B&L Group

RelSci Relationships


Number of Boards



Co-Owner at B&L Group

Professor at University of Hamburg

Managing Director at Stuhlmann Alexander GmbH

Member-Supervisory Board at Capital Stage AG

Member-Supervisory Board at Capital Stage AG

Former Chief Technology Officer at E.ON SE

Industrial Advisor at EQT Partners AB

Member-Supervisory Board at Capital Stage AG

Chief Operating Officer at Capital Stage AG

Chief Financial Officer at Capital Stage AG

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Albert H. K. Büll
Partner at B&L Group
Career History
1970 - Current
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Boards & Committees
Member, Advisory Board

HSBC Trinkaus & Burkhardt AG engages in the provision of financial services. It operates through the following segments: Global Private Banking, Commercial Banking, Global Banking and Markets, and Asset Management. The Global Private Banking segment involves advisory services and special facilities, which include advice on special asset structuring, execution of wills, and family office services. The Commercial Banking segment focuses on lending and deposit products, and domestic and foreign payment transactions service. The Global Banking and Markets segment deals with capital financing and markets activities, and the HSBC securities services. The Asset Management segment comprises the development and distribution of fund and advisory concepts for institutional clients, corporate customers, and financial intermediaries. The company was founded by Christian Gottfried Jager in 1785 and is headquartered in Dusseldorf, Germany.

Member-Supervisory Board

Capital Stage AG engages in investments in solar parks and wind farms. The firm produces energy from renewable sources. It operates through the following segments: Administration, PV Parks, PV Services, Wind Parks, and Asset Management. The Administration segment carries out activities done by the firm. The PV Parks segment segment involves electricity production and comprises of the German, Italian, French, and British solar parks. The PV Service segment deals with the development of the plant operations company, Capital Stage Solar Service GmbH. The Wind Parks segment includes the wind parks and the associated holding companies; as well as general partners. The Asset Management segment provides commercial and consulting services for the managed portfolio. The company was founded in 1996 and is headquartered in Hamburg, Germany.

Member, Supervisory Board

Capital Stage PE is an active, medium-term manager which invests in European growth companies in the renewable energy and environmental technologies sectors with a focus on Germany, Austria and Switzerland. They prefer to invest in later-stage companies but consider early-stage investments in exceptional cases.The firm generally invests an initial EUR 2-8 million in expansion and pre-IPO stage companies and EUR 5-10 million in buy-outs, seeking to invest in companies with an innovative business model, an experienced management team, dynamic growth, a strong market position and a foreseeable break-even perspective. They can invest up to a total of EUR 30 million per transaction as sole investor, and co-invest with partners for larger transactions.Stage Capital PE usually takes a minority stake in their investee companies, acting as a coach and partnering with management to support them in strategic management issues without interfering in the daily operation of the business. Through their advisory board, the firm aims to create value by providing assistance including implementing and developing strategic plans, optimizing financing, recruiting personnel to strengthen the management team and advising on acquisitions and IPO preparation.The firm typically seeks to exit an investment in three to five years through a trade sale or IPO.

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Public Holdings
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