ISG Executive Search


Meet the team behind ISG Executive Search

Mag. Guido Leissinger

Chief Executive Officer & Founder


After completing his studies at Vienna University of Economics and Business Administration, Guido Leissinger began his professional career in management consultancy. His successful activities included organisational consultancy in many different companies dealing in a variety of commercial fields. Due to his very distinct interest in people, he switched from management to personnel consultancy.


  • Search & selection of specialist workforce and executives
  • HR development
  • Start-up and expansion of companies in Central and Eastern Europe
  • Design and implementation of promotion and selection assessment centers
Thanks to his wide knowledge and his strong sales orientation, he was made departmental manager after a short time. From 1993 to 1999, he successfully led CATRO as general manager being in charge of 60 employees in Austria and the Eastern European subsidiaries.

Guido Leissinger founded ISG in 1999 and has since built up the company from zero to more than 500 people in 23 countries.


  • Personnel consulting
  • HR development
  • Trainings

His leadership style is characterised by the notion that the human being should always be the central focus of all considerations. ISG’s long-term success can only be achieved through teamwork, mutual respect and understanding as well as constant on-the-job training.

Motto: „Success is not a coincidence“


Harald Mörtenhummer

Executive Search / Managing Partner


Harald Mörtenhummer started his career as a constructor for the Siemens AG. In 1985 he participated in a trade training program (BILLA AG), after which he took over the responsibility for the training of new employees and executives (from apprenticeship to executive management) and established and managed the HR – department.

Subsequently he completed numerous trainings and took on various challenges in marketing as marketing manager (LOWA GmbH), managing director sales (Bauhaus GmbH) and as restructuring manager of several trade organisations. In 2002 different international appointments followed, such as CEO (bauMax AG) or managing director CEE (Praktiker AG), which involved international procurement marketing, category management and logistics assignments. His experience as a supervisory board member in the food- & non-food sector round off his extensive expertise.

Currently he is managing partner at the ISG Executive Search Competence Centre and is looking after clients in the following sectors:

  • Board services
  • Management- and HR-consulting
  • Executive search (head hunting) of industry experts
  • Recruitment of management- and other pivotal positions on a national- and international level
  • Monitoring of change processes

Short CV

Executive consultant, interim- & project manager, supervisory board member, managing director of CEE-countries, management board and director of international companies


Praktiker International GmbH, Forstinger GmbH, bauMax AG, MediaMarkt GmbH, LÖWA GmbH, Digital Equipment Corp., BILLA AG, Siemens AG


Olympia Anna Blanck, MA

Head of CEE & Prokurist


Ms. Blanck studied Economics and Business Psychology with a focus on Human Resource Management at the University of Applied Sciences in Wiener Neustadt.

She is originally from Bratislava where she gained extensive professional experience within an international working environment.

Her professional career commenced at the Delegation of the European Commission, furthermore she worked in an international marketing agency for cross-border projects and she carried out work for a law consultancy with a focus on Central & Eastern Europe.

Maintaining a consistently high standard of work, enthusiasm and intercultural competence gained through her experience puts Ms. Blanck in the position to be a competent contact partner for national and international clients.

Her areas of expertise:

  • Executive Search / Headhunting
  • International recruiting with a focus on Austria and Central & Eastern Europe
  • Personnel consulting, search & selection of managers- and specialists positions
  • Interim management
  • Coordination of cross-border projects in the DACH region (Germany, Austria, Switzerland) as well as in CEE region.
  • Career consultancy.

Her industry focus:

Industrial sector: automotive, aviation, chemical industry, food processing, packaging industry, energy and construction
Service sector: legal consultancy, tax and audit advisory, marketing and advertising, financial services, tourism and transport
Trade: import, export, retail, wholesale
Motto: „The journey is the destination” (Confucius)


Ferdinand Kamenicky

Managing Partner


Ferdinand Kamenicky started his professional career on a trainee program at Citibank, where he was soon entrusted with management responsibilities as Financial Controller, Senior Branch Operations Officer and Relationship Manager for multi-national corporate customers. Following that he was the Managing Director and Chairman of Citibank in Retail Banking.

In the following challenging years as Project Manager and Senior Director for Sales Strategy at Creditanstalt, he obtained experience in the merging of departments and banks.

As a member of the Board of Directors and Managing Director of Volksbank Krems-Zwettl AG, he became familiar with the special nature and strengths of regional banks in multi-layered bank structures.

Since 2005 Ferdinand Kamenicky is an independent company consultant, a qualified coach and registered mediator (specialisations: corporate culture, the costs of conflict, generation conflicts etc.) and since the middle of 2011 has been supporting his customers, as an ISG partner, in the following areas:

  • Personnel consulting – Recruiting specialists and executives both nationally and internationally
  • Executive search for sector experts
  • Outplacement/new placement coaching and job application consulting
  • Resolving inner company conflicts/mediation and corporate and conflict culture

Motto: “Clarity before harmony.”


Martin Tamussino

Executive Search & Managing Partner


During his studies of tourism management at the Vienna University of Economics and Business Administration, Martin Tamussino started his professional career with Lauda Air in 1986.

After eight years of recruiting and training cabin crews, and having professional and disciplinary responsibility for over 300 flight attendants he changed to CATRO Personalconsulting. Due to his interest and know-how of the service sector he was successful in search and selection of candidates for various management positions.

In his function as Resident Manager and Managing Director for Trade Legality of a ****star hotel in Vienna, he was responsible for the management, the establishment of new business structures, the implementation of innovative business strategies and sales.

After one year abroad in Switzerland, he worked five years in the biggest Austrian Hotel Group as Director of Sales, responsible for the coordination of Sales & Marketing activities with 26 hotels in Austria.

Since 2002 he has been strengthening the ISG team with his dedication to work for people in the service sector. With his enthusiastic style he continuously works for the right solution for his clients in various industries. Due to his commitment he was given power of attorney in 2003.


  • Search and selection of specialists and executives
  • Design and implementation of recruiting and promotion assessment centers
  • Research and Coaching
  • Support of Outplacement projects

His work style is characterized by offering his clients personal commitment, high performance and customer-oriented services.

Motto: „To place trust in oneself and in others“


Claudia Gschiel

Senior Research Consultant & Teamlead


Head hunting research – a typical job for students – evolved into more than just a sideline when Claudia Gschiel moved from Vorarlberg to Vienna some 20 years ago.

Concurrent with her studies of English and History to become a teacher, she worked with a renowned Personnel consulting agency in telemarketing and research as early as 1993. Her work proved to be such a success that she was recruited by ISG Personalmanagement in 1999.

From 2000, Claudia Gschiel focused her work at ISG on headhunting research assignments of specialists and executives for various projects in all areas of trade. While closely co-operating with the respective senior advisor, she was able to expand her expert knowledge to a growing number of areas and markets.

Due to growing demand in all fields pertaining to executive search, Claudia Gschiel has headed an efficient and competent research team since 2005 with whom she enthusiastically shares her expert knowledge on a regular basis.

Motto: Love it, change it or leave it”


Mag. Martina Petzl

Managing Partner


Martina Petzl began her professional career after her studies of business management at the University of Graz. After a two-year stint with a marketing agency for tourism in Graz, she began working in the HRM department of the Bundesrechnungszentrum GmbH. Her scope of duties included personnel development, recruiting and personnel marketing as well as media and public relations on the job market.

Furthermore, she was entrusted with designing and implementing various projects for the management board (e.g. HR and FM benchmarks, potential and employee satisfaction analyses, affirmative action plans, re-employment strategies after (maternal) leave, development of workforce compensation plans, re-organisation of personnel administration to SAP).

Before venturing into freelance personnel consultancy, Martina Petzl worked at ORF, the Austrian Broadcasting Corporation, on a comprehensive redesign of ORF’s HR management focusing on the development of “ORF-Recruiting” as the main service entity within the media enterprise.

Due to her highly developed analytical abilities Martina Petzl can quickly master the most difficult problems and situations and conceive the suitable solutions. Her strengths also include a high sense of responsibility, cost and budget consciousness as well as relevant in-depth knowledge and dedication.


  • personnel development, personnel marketing as well as extensive support to businesses in all matters arising from personnel consulting.
  • Analysis of principal tasks and professional and general requirements of a position
  • Advertisement and data base research
  • Structured interviews
  • Research and direct approach
  • Selection assessment centers
  • Presentation of applicants and decision processes
  • Implementation of employee appraisal interview techniques
  • Development centers
  • Design of applicant’s communication
  • Design of advertisements

In the course of a seminar on advertising and sales at Vienna University of Economics, Martina Petzl was able to delve into issues dealing with personnel marketing, corporate culture, corporate identity and design as well as with media and public relations.

Martina Petzl has been a member of ISG since 2002. Due to her personal background in the city of Graz, her main geographical focus is southern Austria therefore offering services to the Styrian business community (computer and IT technologies, pharmaceutical enterprises as well as marketing firms and media).

Motto: A problem is half solved if it is clearly stated.”


Marisa Otto, BA LLB.oec



Marisa Otto studied law, economics and sociology at the University of Salzburg. There she specialized in the areas of strategic management and personnel.

After graduating, she began as a trainee in the ISG Executive Search team, which she has supported as a consultant in the search and selection of qualified candidates since 2013.


  • Consulting national and international clients about search strategies
  • Text formulation and layout of job advertisements
  • Research | Executive Search
  • Personnel search and Selection
  • Carrying out candidate interviews

Motto: “Paths are made by walking them.” Franz Kafka


Mag. Sabrina Kriechbaum

Executive Search


Sabrina Kriechbaum graduated in Socio-economics at the Vienna University of Economics. The study is a combination of Economics and Sociology with a specialization in Finance, international organization and personnel management. In order to deepen her theoretical knowledge, Sabrina Kriechbaum was employed at Bank Austria, as well as L’Oreal in Human Resources Management. In July 2006, Sabrina Kriechbaum started at ISG Personalmanagement GmbH as a consultant and she now works for a variety of national and international companies in different industries such as financial services, commerce, production etc.


  • Search and selection of specialists
  • Search and selection of executives with a focus on headhunting
  • Design and implementation of recruiting and promotion assessment centers
  • Coaching

Since early 2009, Sabrina Kriechbaum has been an integral part of the executive search team in the direct approach of managers and professionals within the financial services industry and she now holds the position of senior consultant.

Sabrina Kriechbaum supports her customers in the recruitment process for all related positions.
Her motivation is a professional service for both clients and candidates. Her work style is characterized by trust, discretion, flexibility and quality.

Motto: Carpe Diem”


Dr. Richard Rudolf

Executive Managing Partner & Head of Industry Sector Group


After receiving a MSc degree in Atmospheric Science and a PhD degree in Experimental Physics from the University of Vienna, Mr. Rudolf joined the Austrian based Stölzle Group, one of the major European manufacturers of primary glass packaging for the pharmaceutical industry.

During the first years at the Stölzle Group Mr. Rudolf managed the business unit Medical, a profit center and commerce business serving universities, hospitals and drug stores with laboratory equipment and specific small scale packaging solutions.

After intermediate career steps as Sales Director Austria & Switzerland and Director of Business Unit Pharma & Medical he finally took over full P&L responsibility as CSO of Business Unit Healthcare & Consumer, covering global sales of Pharma and Consumer packaging containers and solutions to international pharmaceutical accounts in EMEA, CIS, North-America, South-America and APAC.

Having been member of the Executive Director Steering Team of Stölzle Group and member of the board of Stölzle Russia during a substantial period, Mr. Rudolf joined in 2014 Nipro Europe, an essential part of Nipro Corporation based in Japan. In his function as Business Unit Director he steered and organized sales of pharmaceutical primary packaging containers and prefilled syringes made from tubular glass within EMEA.

Combining his passion for the healthcare industry with his long-lasting and thorough senior managerial experience, Mr. Rudolf decided in 2016 to join ISG Healthworld as Global Managing Partner.


  • Executive Search & Selection
  • New Client & Candidate Acquisition on Global Level
  • Recruitment of Professionals, Senior- & C-Level Managers
  • Robust Network within the Pharmaceutical Industry & Market
  • Professional, efficient & effective Cooperation with Clients and Candidates
  • Entrepreneurial Spirit | Passionate & Committed | Well-Organized
  • Wide Angel Business View | Analytic Best-In-Class Approach

Mag. (FH) Elmar Scheuba

Executive Managing Partner & Global Head of Sector Group "Healthworld"



Europe / EMEA, USA & CANADA, CENTRAL- AND SOUTHAMERICA (LATAM), Asia, Middle- & Far East / U.A.E.


Healthcare private equity and venture capital funds in the range of $50M to $500B AUM / Global Life Sciences, Biotech, Pharma, Medical Devices/Diagnostics, Innovation & Digital Health Transformation / Healthcare Private Equity and Venture Capital backed companies / Privately and public held firms (for-profit) in the range of $10M to $500B / Start-up, Spin Offs, small-, mid- and large-size enterprises, turn-around operations / Multinational Blue chip organizations.


C-Suite & Board Level Search / Board-Level and CEO appointments / Senior Vice President and VP roles / General Management appointments / Senior Directors & Directors / Middle Management Appointments / Engineers / Scientists / Specialists




Commercial Marketing & Sales | Business Development / Health Economics & Market Access | Pricing & Reimbursement / Regulatory Affairs | Quality Management & Safety / Hospital Administration & Management / Medical Assignments / Scientific Research (Biotechnological & Pharmaceutical) / Preclinical & Clinical Development / Medical Manufacturing | Production, Prototyping & OEM / Bioprocessing | Pharmaceutical Engineering & Packaging / Health Care IT Management | Medical- & Bio-Informatics


Mr. Scheuba shows an excellent and unique knowledge of international medical devices, pharmaceutical, biotech and health care markets in general. From his university background perspective, Elmar Scheuba is an international health economist and graduate of “health care management” master studies at International Management Center Krems (IMC) / Austria with the focus on international pharmaceutical management, international hospital management and international health care consulting.

Mr. Scheuba possesses over 20 years of professional work experience during which he has had the opportunity to gain substantial financial health care experience as a global buy side equity analyst for an exclusive health care investment-boutique in Switzerland, where he was responsible for worldwide medical services research (hospitals, distributors, HMO’s, health care IT). During his several professional assignments he could also gain valuable experience in the endovascular medical devices industry at Medtronic Corporation and received an extensive insight in Novartis pharmaceutical Drug Regulatory Affairs (DRA) business. Apart from that, he was later performing as an international product manager for a leading European supplier of consumer medical products and could further contribute to Deloitte’s Life Science consulting business in Zurich where his profound industry expertise and personal dedication made him a valuable asset as a global subject matter expert for topics associated with medical devices, life science, pharma and health care providers.

Prior to setting up his own global recruiting and executive search company Mr. Scheuba was able to successfully build up his strong personal competence in health care recruiting and executive search by performing as a European senior business manager for medical devices and pharma on board of two globally renowned major executive search companies, located in Germany and the UK respectively.

Elmar Scheuba represents a high caliber manager and visionary leader in the following sub-industrial and functional executive search segments:

Covered (Sub-)Industries:

  • Medical Devices, Surgical & Implantology
  • Pharma and Generics
  • Biotechnology, Cell Biology & Life Sciences
  • Medical Capital Equipment & Imaging Technology
  • Medical Diagnostics, Laboratory & Testing
  • Health Care IT, Digital Health & Medical Informatics
  • Dental Medicine & Orthodontology
  • Medical Rehabilitation and Robotics
  • Hospitals and Senior Residences
  • Consumer Healthcare
  • Animal Health and Veterinery Medicine
  • Clinical Nutrition, Clinical Food & Dietary Products
  • Health Insurance & Health Care Finance
  • Chemicals, Fine Chemicals & Specialty Chemicals
  • Cosmetics, Perfumes & FMCG
  • Medical Automation, General Engineering & OEM
  • Micro & Nanotechnology, Material Sciences
  • Sports Medicine & Fitness
  • Health Care Consulting Industry
  • Health Insurance & Health Care Finance
  • Medical Communications & Advertising Industry
  • Health Tourism, Spa & Medical Travel
  • Alternative Medicine, Beauty & Well-Being
  • International Aid & Non-Profit Organizations
  • Medical Professionals

Covered Functions:

  • Commercial Marketing & Sales | Business Development
  • Regulatory, Quality & Safety
  • Market Research & Business Intelligence | Medical Education
  • Scientific Advisory & Medical Education
  • Health Economics & Market Access | Pricing & Reimbursement
  • Scientific Research (Biotech & Pharma)
  • Clinical Discovery & Development
  • Medical Manufacturing, Production & Prototyping
  • Bioprocessing | Pharmaceutical Engineering & Packaging
  • Environmental Health and Safety | Occupational Medicine
  • Hospital Administration & -Management
  • Health Care IT Management & Informatics
  • Medical Controlling & DRG Management
  • Health Consulting & Health Advisory
  • Medical Communications, PR & Advertising
  • Purchasing & Strategic Sourcing
  • Controlling & Finance
  • Logistics & Supply Chain Management
  • Human Resources & Legal
  • Medical Assignments

Representative Search Projects