Senior Leadership Team

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Rolf KrecklenbergManaging Director & CEO


Rolf has 30 years’ leadership experience across many industries in the listed and private sector. Starting out in hotel management, he successfully built up the Peppers Hotel Group until it was purchased by an ASX listed investment bank and evolved into the Stella / Mantra Group, where he continued to thrive as the Managing Director. He was then approached to head up an online retail group, which he led through the Global Financial Crisis, before moving on to work with Allegro Funds for the first time as the CEO of Clifford Hallam Healthcare. This was the beginning of a successful partnership, with Allegro asking Rolf to manage and invest in two subsequent acquisitions including Endeavour College. With a personal interest in natural medicine and wellness, Rolf is thrilled to be working with the team at Endeavour to focus on the quality improvement of the high standard education that it is renowned for, and to particularly improve the emphasis on customer (student) satisfaction across their whole time at the College.

Dermot GriffinChief Financial Officer


Dermot is a seasoned finance executive with extensive experience in education, business intelligence and capital investments, most recently with 4 years tenure at Monash College the largest school within Monash University with annual revenue of $200m and 6000 plus students.

Dermot has recent experience with student forecasting modules focused on integration into the workforce planning function as well as leading the $200m investment in a new campus project through the integration of hybrid on-site and virtual classroom delivery.

Dr. Jenny WilkinsonDirector of Education


Dr Jenny Wilkinson holds several qualifications in education leadership and science, along with over 25 years’ worth of experience working in the higher education field.

Upon completing a Bachelor of Science and Honours in Physiology and Pharmacology, Jenny went on to achieve a PhD in Vertebrate Physiology and the role of heat shock proteins in caffeine's embryotoxicity. Following on from this, she went on to complete a Graduate Diploma Further Education & Training, Master in Higher Education (Leadership & Management), Graduate Certificate in Biostatistics and is currently studying a Graduate Certificate in Higher Education (Quality Assurance).

Prior to joining Endeavour as the Director of Education, Jenny held a multitude of positions at Charles Sturt University including Sub-Dean Research, Acting Head of School and Course Director working with various teams to develop courses which meet professional, institutional and student needs.

Jenny’s primary research interest is in the pharmacology of essential oils, herbs and other plant-based products and the nexus between complementary and conventional healthcare, and she serves on editorial boards for several journals including BMC Complementary Medicine and Therapies, and Evidence-Based Complementary and Alternative Medicine.

Deirdre Mathias

Deirdre MathiasDirector of Student Services and Retention


Deirdre has a diverse background across Asia and Australia in operational management, with a focus on strategically building, managing and innovating service structures that add value to the customer and the business through operational integrity.

Deirdre has worked with Endeavour for eight years in a variety of roles, and now sits in a strategic role leading all the service support departments. Across her time at the college she has been particularly focused on re engineering and improving the student experience and student engagement, with a focus on system improvement and delivering a service experience that engages, inspires, and supports the student body.

Elissa HolswichNational Quality, Governance & Compliance Manager


Elissa is an experienced policy and compliance specialist, having worked in the field for over 12 years. With a degree in Behavioural Science, she started out in Human Resources roles but found she had an eye for detail and soon gained a role with the Queensland Office of Higher Education, the State higher education regulator where she worked as a Senior Policy Officer (case manager for higher education providers) for over 5 years.

With the centralisation of higher education regulation in Melbourne through TEQSA, Elissa wanted to stay in Queensland and found herself working for one of her previous providers as the ‘internal regulator’, the National Compliance Manager for Endeavour College of Natural Health.

After a year back in the government working with the international schooling regulation team and on a finance policy project, Elissa returned ‘home’ to Endeavour in early 2019 and has continued her earlier work liaising closely with TEQSA, ASQA, the Chinese Medicine Board of Australia and other professional bodies to ensure that the College not only meets but exceeds industry and educational standards. Elissa’s daily goal in her work is to make a real difference to the life of students and staff by offering accurate and timely compliance, governance and policy advice, and building a team of experts to support the business and see it thrive.

Ganesh JagtapHead of Technology and PMO


Ganesh is a certified ICT and Project Management professional with more than 14 years of experience in implementing and managing ICT Operations, Business Systems and Projects Management.

Qualified in PRINCE2, AGILE BA & Project Management and in Microsoft Technologies, he has successfully delivered multiple operations and business systems implementation projects to drive strategic growth.

In addition to the Education Sector, Ganesh brings his vast experience in various industry sectors in Finance, Retail & Hospitality, Ecommerce, Aged Care, Customer Service, Audit and Advisory, Manufacturing, Trade & Logistics across Australia, Middle East & Africa region and India.


Kathleen DanielNational Educational Pathways Manager - Operational Staff Representative


Kathleen has a strong understanding of the processes involved in being a quality orientated and successful organisation, having worked in the fields of Accounting, Marketing, Law, Real Estate and as part owner and practitioner of Functional Health Naturopathic Centre. Kathleen has gained a Bachelor of Health Science (Naturopathy) from the University of New England (UNE), after completing Advanced Diplomas in Naturopathy, Nutrition, Western Herbal Medicine, Homeopathy & Diplomas in Remedial Massage, Remedial Therapies and Aromatherapy. More recent qualifications include a CertIV in Training and Assessment and Lead Auditor in Quality Management Systems.

In the past 24 years Kathleen has gained significant standing in the area of education, administration and health, having started her career in education with a Registered Training Organisation (RTO) in administration, she achieved the position of Registrar/Office Manager, Director of Education and finally CEO of that RTO over a13 year period. The last 10 years she has worked with Endeavour College of Natural Health in the position of Curriculum Co-ordinator, Pathways co-ordinator and now as National Manager of Educational Pathways has developed and initiated for the College an efficient and successful Educational Pathways department including online credit information via the Articulation Abacus, she is a respected part of the VET Advisory Board, Academic Discipline Councils and Academic Council of the College.

Katrina ArchDirector of Sales and Admissions


Katrina is an education admissions leader with executive experience in the Higher Education and Vocational Education Training sector.  Katrina has experience in leading multiple admissions teams across both sectors which is supported by her ability to manage complex tasks, competing deadlines and interacting with a broad range of organisational stakeholders. 

Katrina holds tertiary qualifications in Creative Arts and Complementary Medicine.  It is this personal insight into studying Complementary Medicine at Endeavour that gives Katrina the unique ability to understand the journey Endeavour students embark on that authentically put the student first.

Prior to joining Endeavour Katrina working at the Australian Institute of Management – QLD and NT for 12 years in management roles encompassing marketing, sales and events services.

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