Helping people and businesses sell better


Sue Barrett

Managing Director


"Selling is everybody's business & everybody lives by selling something."

Sue is Founder & Managing Director of Barrett Consulting Group (est. 1995), incorporating Barrett, Sales Essentials, Mind Your Emotions, Sustainable Selling, Barrett Research, and Sell Like a Woman. Barrett is one of Australia's leading sales consulting firms specialising in Sales Strategy, Sales Force Design, Assessments, Sales Training and Sales Coaching.

Sue is regarded by many mainstream business press publishers & editors as one of the most authoritative thought leaders reporting and commenting on the selling profession and sales operations in Australia today, with her company's articles featuring weekly in BRW & Smart Company, as well as bimonthly in IPA's magazine The Public Accountant.

Sue has written and published 21 books and 500+ articles to date on the world of 21st Century selling including topics on sales philosophy/culture/ethics, sales leadership, sales coaching, sales training, selling skills, sales mindset and resilience, neuroscience in selling, etc.

Sue works as business adviser, sales coach & trainer, speaker, and facilitator.

One of Sue's most significant achievements is to be the first in Australia to put the profession of Selling on the University Agenda with the Barrett Sales Essentials Program now accredited as a Diploma of Business, Cert IV in Business (Sales) & Cert IV in Business Administration at Swinburne University of Technology.

Sue's education & public accomplishments include: BSc, Cert (Strategic Mgt), Cert IV (Workplace Assessor & Trainer); Accd. Executive Coach. Inducted into the Business Women's Hall of Fame 2000; Finalist in 1998 & 2001 Telstra Business Woman of the Year Award; 1997 Winner of Telstra & Victorian Government Small Business Award

Jobst Schmalenbach

General Manager & Geek

Jobst Schmalenbach

Jobst is originally from Muenster in north west Germany, where he completed a trade apprenticeship as a Fitter and Turner and then went on to study Mechanical Engineering while working for his father's business which supplied all the internal furnishing and painting needs including tools for homes and small businesses. Whilst studying he also drove for a large trucking company throughout Europe and was a DJ for a number of years. When Jobst graduated with a B Eng he took a position as a mechanical engineer but found the business and industry too restrictive.

Jobst migrated to Australia in 1989 and switched his focus to IT commencing a degree in Computer Science at Flinders University. He met Sue at the National Masters Swimming Titles in Brisbane in 1990 and later that year moved from Adelaide to Melbourne to continue his studies at Monash University where he completed a Bachelor of Digital Systems with First Class Honours. Having found his niche, Jobst has become a highly knowledgable and proficient IT professional who is very familiar and hands on with both hardware and software.

Jobst is Barrett's General Manager and Technical Director, and is responsible for Systems Administration, web design and everything that has any connection with IT. Jobst is also known as Chief Geek. He basically makes things work.


Sales (AUS)

Aminah Georgiou

Business Development Manager

Aminah Georgiou

Aminah Georgiou has been a sales executive for more than 15 years. She is known for her creativity, drive, professional presentation and personable nature. She thrives on challenges, particularly those that expand the company's reach and raises the bar for sales performance.

Aminah's outstanding sales accomplishments have been recognised and has won numerous awards, trophies, gifts, holidays as well as monetary rewards for her achievements. As part of her repertoire, she has made sales to a list of impressive top blue chip companies.

Aminah has experience across a broad range of industries, from IT and Communications to Finance and Training. Her extensive knowledge enables her to provide invaluable support and allows her to deliver personalised and customised solutions. She believes that keeping customers happy includes going beyond the call of duty sourcing solutions outside her expertise, which in itself satisfies her thirst for knowledge. She believes that any task can be addressed and will leave no stone unturned to deliver the desired need.

Aminah's success is predominantly driven by her love for people. She understands that healthy relationships are paramount to a fulfilling and satisfying life and she also brings this passion to her business encounters. She enjoys helping companies identify a need and then assist them in delivering that need from start to finish.

Aminah has completed her Cert IV in Training and Assessment and has attended numerous sales seminars and workshops. She has delivered one on one training, seminar style training and classroom training.

Sabina Berman

Senior Consultant

Sabina Berman Image



Rebecca Varley

Senior Consultant - People & Organisational Development, Registered Psychologist

Rebecca Varley

“Give me data and a spreadsheet and I’ll tell what the problem is”

Rebecca is a registered psychologist with a particular interest in helping individuals, teams, and organisations achieve their full potential. Rebecca draws on a broad range of practical and technical skills to deliver the most effective tailored solution to address our clients’ needs. Rebecca has worked across a range of industries, including hospitality, health, finance, NGOs, recruitment, education, and government. She worked for over four years in social research, where she specialised in strategic and organisational development.

Rebecca is a firm believer in the value of benchmarking and evaluation, and enjoys working with all forms of data. She knows the importance of combining qualitative and quantitative data to gain a full understanding of the issues at hand and develop well rounded solutions. Rebecca helps our clients identify their needs and works in partnership with them to leverage their internal skills and resources to achieve their goals.


Learning & Development

Jens Hartmann

Head of Learning & Development; Lead Trainer, Facilitator, Coach, Instructional Designer

Jens Hartmann

Jens joined Barrett with a solid background in training, coaching and executive development as well as with extensive experience in the sales and service industries. He started in sales himself in 1988 and worked for several banks. For the last 15 years Jens has been developing and leading projects, managing the full spectrum of L&D functions: management consulting, project management, instructional design, implementation and facilitation of made-to-measure training & coaching programs. He is highly regarded as Management Development Specialist and Performance Coach with a strong sales and efficiency focus, especially in environments undergoing change and restructuring. Jens has worked with major corporations and financial institutions as well as for several universities and colleges.

He indulges in tailoring goal oriented competency frameworks, communication strategies, highly interactive training programs or complex L&D concepts for our customers. But he also enjoys being out in the field facilitating, coaching people and supporting them right in their everyday line of work.

Jens grew up in Germany where he first completed his degree in Business and Banking. After having worked for a couple of years, he also studied Communication at the University of Arts in Berlin. For many years he worked in cooperation with several consulting companies and was co-owner of one himself before he decided it was time for a sea change and moved to Melbourne.

Client Services and Administration

Astrid Silberman

Client Services and Administration

Astrid Silberman

A marketer who believes in the potential (and responsibility) of business to make a positive impact on the world. Conscious Capitalism.

Astrid is originally from Buenos Aires, Argentina where she completed a Bachelor in Marketing at Universidad Argentina de la Empresa (UADE).

Astrid worked as a marketing consultant in Buenos Aires before moving to Melbourne in 2003 where she continued working in marketing and business management. She has extensive experience across a broad range of industries and delivers consistent high quality outcomes for clients.


Cam Blackwood

Info soon.






Coaches, Trainers and Facilitators

Michael Dowling

Coach, Trainer and Facilitator

Michael Dowling Portrait

Michael has been in sales all his working life and brings many stories and experiences that he is able to leverage to challenge any salesperson or sales team that he works with. Michael recently completed a successful 6 year engagement as the Sales Director for AVG technologies Australia.

Before this he was the Southern Regional Manager for AchieveGlobal and before this he worked at Melbourne IT as the National Business development Manager for the Internet names division. It is the breadth of senior experience that allows Michael to coach and develop people with real understanding of the challenges that Salespeople are facing in today’s environment. His experience is across direct field teams, internal phone based teams across direct sales B to B to working with teams focused on building channels.

Michael believes to be successful in Sales, a person needs to develop the right mindset, have pride and conviction about being in sales, develop the necessary skills and process for holding consultative conversations, develop a strong level of business acumen and ensure a person knows and has a passion for the product.

Michael combines his skills, experience, and knowledge to deliver a facilitation experience that is energetic, enlightening, and innovative client focused programs. He is able to create impact with individuals and challenge them to develop their talent.

Simon Madden

Coach, Trainer and Facilitator

simon madden portrait

15 years experience in education and 15 years management and sales experience. Executive member of the AFL Players Association. All-Australian Selection nine times. Australian rules footballer for the Essendon Football Club from 1974 until 1992. Played 378 senior VFL /AFL matches, 4th highest in VFL/AFL History. Won 4 Essendon best and fairest awards (1977, 1979, 1983 and 1984). Captained Essendon in the 1980 and 1981. Back-to-back premiership sides in 1984 and 1985, Winner of the Norm Smith Medal for best on ground in the 1985 Grand Final.

Few Australian footballers come close to matching Simon’s achievements at this elite level of football. With his experience in education, business and elite sport, Simon Madden has a unique outlook on what it takes to be successful. Couple this with his passion for improving people and you have a powerful formula for understanding and facilitating the process of winning.

Simon combines his years of experience and knowledge to provide you with the philosophies, insights and processes to assist you to develop and harness the strengths of your people. Driven by his underlying belief that if you improve your people you improve your business, Simon offers a range of services to help your people connect with their work, their colleagues and their clients in exciting and invigorating ways. Whether it’s a keynote motivational speaking engagement, a planned, tailored coaching program, an in‐depth training course for your leadership team or sales staff or a multi levelled, multi faceted engagement across your whole business; let us help you improve your people, align their aspirations with the goals of the organization and in turn improve your business.

Kelly Rothwell

Organisational Psychologist

Kelly Rothwell

Kelly is a registered Psychologist who has a particular interest in identifying and developing the potential within individuals and teams. Her professional training and experience enables her to have a scientific understanding of human behaviour, an ethical and genuine approach to consulting and people management initiatives, and a broad range of practical and technical skills and knowledge.

Kelly has had extensive experience in culture change and transformation, general human resources, leadership development, recruitment and consulting within the mining, heavy Industry, banking, and recruitment industries, across numerous countries and cultures. She has experience in selection methodologies and processes, performance management, career development, behavioural competency profiling, coaching, training and development, and change management. Kelly is skilled in a range of assessment tools including psychometric testing, assessment centres, structured behavioural interviewing, and tailoring selection and development packages for all levels of roles within business.

Her working philosophy is to partner with internal and external customers to identify their needs, determine the most optimal solution for a situation or challenge, and working alongside them to assist them in meeting their needs.

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