Solving your company's people issues using the world's most complex and revealing high performance psychological assessment tool, TAIS

Originally founded in 1984 by David Simpson, Grandlark (formally the Simpson Group of Companies) has maintained its reputation in having outstanding results in both psychological and executive search.

With more than 150 years of combined, in-house expertise in high-performance psychology consulting, we eliminate big headaches by quickly getting to the core of an individual’s or group’s competencies and limitations.

Our Team

Michelle Marsden

President & COO

Joining Simpson Associates in early 2018, Ms. Marsden started as the Director of Research directing a full-time, in-house research team which provides pivotal support services with all the search assignments that the firm conducts. This group is instrumental in helping to source first-class executives and leaders on a world-wide basis. Later, Ms. Marsden was appointed General Manager of Simpson Associates, working with board chairs and CEOs across a diverse client base in multiple industries.

Now as President & COO, Ms. Marsden has full P&L responsibility for the operations across the group - Grandlark, a boutique private equity group, Ocean Apart Management, the high performance psychological assessment group, TAIS Performance Systems Inc., the world-wide TAIS distribution network and Simpson Associates, the executive search division.

Michelle graduated from the Sauder School of Business at UBC in 2011 with a Bachelor of Commerce. Prior to joining Simpson Associates, she held assignments in aerospace, aviation, and consumer consumables.

Cristina Esposto

Vice President of Business Development and Marketing

Cristina Esposto is the Vice President of Business Development and Marketing for Grandlark. Her mandate includes total accountability for building trusted relationships with top CEOs and owners, throughout North America, of corporations which are experiencing significant growth or transition.

While her responsibilities cover the North American marketplace and beyond, Cristina’s current strategy is to direct special emphasis to Western US markets that include San Diego, San Francisco and Phoenix.

Emily Brown

Research Manager at Simpson Associates

Emily Brown, is a Research Manager at Simpson Associates. Emily has a complete mandate to develop new accounts and fulfill executive search requirements, including comprehensive sourcing and evaluating senior executives for a broad range of assignments throughout North America.
Prior to joining Simpson Associates, Emily spent approximately two years in both corporate and search recruiting roles. Emily received her Bachelor’s degree in Corporate Finance and Securities Law in 2016.

Bethany Wiseman

Technical Support at OAM and TSPI

Over the last five years Bethany has been completing her degree at the University of Guelph and will be graduating at the end of April with a bachelor’s degree in psychology and a minor in Criminal Justice and Public Policy. Her current role in the company is overseeing the technical support and customer service sector. Bethany is excited about her future with the company, and she hopes to acquire as much knowledge as she can about the world of corporate psychology and the process of  executive search and psychological assessment using TAIS.

Richard Dawes

Director of Technology

Richard Dawes is the Director of Technology for Grandlark. He has complete responsibility for all technical aspects of assessment delivery and related systems, online and in software, both of which he has worked for many years. Mr. Dawes also oversees website development and various internal technical projects.
Rich hails from southern California and is an avid outdoorsman. He also has a strong interest in music and keeps busy with a number of choral groups.

Jeanne Gilbert


Jeanne Gilbert has been with the Simpson Group (now Grandlark) for over 20 years and has held a variety of key positions throughout these last two decades. She received her TAIS Certification license over 15 years ago, and has transitioned from a consulting role to one primary focused  area of the business, Acting Controller, overseeing all of the accounting and finance functions for Grandlark.

David Simpson

 David Simpson has focused on building high-performance executive teams, for a wide range of companies, for40 years, the last three plus decades as a principal in Simpson Associates.  Using high-performance psychology concepts, he has developed a “bullet-proof” methodology for “Getting It Done Right” every time.  Amongst his client base, he is a recognized “go-to” expert when organizations cannot afford to get an executive appointment wrong.

In recent years, building on his expertise in structuring very capable teams, Mr. Simpson has concentrated on growing Grandlark Investments, a boutique private equity firm.  To that end, he has completed two acquisitions through Grandlark Investments Inc.  Both acquisitions were part of a long-term strategy, with the initial phase centred on assembling a basket of sophisticated psychological assessment instruments, including TAIS, HPI and the ICCS.  These psychological tools are a cornerstone in ensuring all of Grandlark’s on-going acquisition produce first-class results, in part through building top-notch operating teams.   

Mr. Simpson graduated with a B.Sc. in Science (minor in Engineering) in 1977 from the University of Guelph, Ontario, Canada.  He also holds a psychometrist license to interpret the TAIS. He lives with his wife and four very spoiled dogs in Victoria, BC.  

Governance and Advisory Board

Robert M. Nideffer, Ph.D.

Robert M. Nideffer, Ph.D. serves as Executive Vice Chair of  TAIS Performance Systems Inc., an operating company under the Grandlark Investments banner.   He is the author of The Attentional and Interpersonal Style (TAIS) Inventory. In addition, he has published over 100 professional articles and has written twenty books, including: The Inner Athlete, How to Put Anxiety Behind You, Attention Control Training, The Ethics and Practice of Applied Sport Psychology, Psyched to Win, and Assessment in Sport Psychology (with Marc Sagal, below). For the past 40 years Dr. Nideffer has been providing through his company, Enhanced Performance Systems (EPS), team building, selection and screening, and performance enhancement services to Olympic Training Centers, elite military groups, and major corporations around the world.   Prior to EPS, Dr. Nideffer held posts of Sports Psychologist (USA Track and Field team), Research Fellow (Australia Institute For Sport), Associate Professor (University of Rochester), and Professor (California School of Professional Psychology).
Dr. Nideffer holds an undergraduate degree in Psychology from Lewis & Clark College in Portland, Oregon, and a Clinical and Experimental Psychology from Vanderbilt University in Nashville, Tennessee.  He is considered to be one of the top psychologists in the world for his contributions to performance-based psychological research.

Robin W. Pratt, Ph.D

Robin W. Pratt, Ph.D. taught the psychology of learning and performance at the Ph.D. level and merged that into educational research and management (applied human resource development) for the first half of his career. He gradually added performance and management consulting to his repertoire fueled by the many applications of the TAIS Inventory and Attention Control Training, where he partnered with their developer, Dr. Robert Nideffer. Today he is a leading practitioner and product developer in this arena. His clients cover the spectrum from business to sport.
Dr. Pratt has held both Assistant and Associate professorships at U.S. universities and currently is the President of Enhanced Performance Services, a consulting group focused on executive coaching, team building, selection and screening and performance management.
Dr. Pratt has an undergraduate degree in Mathematics from William Jewell College and received his Ph.D. in Experimental Psychology from the University of Illinois.

Marc Sagal

Marc Sagal’s extensive background in psychology, philosophy, and sport has helped him develop a unique ability to help leaders and athletes achieve ‘meaningful success’. His work as a management consultant, executive coach and sport psychology consultant has been featured in numerous publications and media spots, including FOX Sports, Men’s Health, CIO magazine, and American Airlines’ Celebrated Living.
Marc has delivered assessment, training and performance coaching to a wide variety of organizations. McKinsey & Company, Microsoft, J.P. Morgan, Manchester City Football Club, and U.S. Army Recruiting have all benefited from working with Marc and his company, Winning Mind. He consults regularly with Olympic and professional athletes from around the world. He has played a key role in the development and design of breakthrough training and assessment products and services, including AME (“Athlete's Mental Edge”), the world’s first web-based, sport-psychological assessment and training program.
Marc has presented research data and professional papers at international congresses including the European Association of Personality Psychology and the American College of Sports Medicine. He has published widely in the area of performance psychology, including co-authorship of Assessment in Sport Psychology with Dr. Robert Nideffer, and chapter authorship in the Encyclopedia of Applied Psychology.
A Philosophy graduate from The Colorado College, Marc received his Master’s degree in Sport Psychology from San Diego State University with highest honors. He received his “A” -level coaching license from the United States Soccer Federation (USSF), was registered as a professional with the USSF, and competed both in Europe and the United States.


We are continually looking for top notch individuals to join our rapidly growing operating companies under Grandlark Investments.

We encourage you to review the brief job descriptions and recommended qualifications for the positions listed below. If you are an individual focused on significant achievement in a supportive and fast-paced business environment that prioritizes lifelong learning, Our operating companies are very well positioned to meet your goals. We put a heavy focus on training on our psychological assessment tool.  We offer handsome salary, full benefits, and a variety of exciting career advancement opportunities. We also provide the experience and exposure to the corporate world.

If any of these fulfilling career opportunities peak your interest, please send your resume to Michelle Marsden -

Research Associate

Our retained executive search group, Simpson Associates, continues to grow through these turbulent times. As such, reporting to the General Manager of the Division, we are looking to bring on a junior individual in our research department. This is a classic research role with extensive investigations into candidates, both by computer and telephone. Most of the work is at a very senior level — VP’s and up. Some introductory experience in the search business is preferred. As well, we are looking for an individual who has a very strong interest in corporate psychology (training will be provided) and wants to build a serious, long-term career in the executive search industry. This is a salaried position, with bonus and full benefits.


The Grandlark Investments is looking to add an top notch Accountant to its team. Due to a retirement, we are seeking an accounting and finance professional who can take this department to the next level.

The assignment is a very hands-on and has complete responsibility and accountability for the entire accounting cycle. This includes: A/R; A/P; F/S; payroll; forecasting; budgeting; foreign exchange; Canadian and cross-border tax planning; consolidations; all government filings; and special projects as required. The position reports to the President & COO, with a dotted line to the Board.

As the successful candidate, you enjoy establishing systems, making sure all the details are covered off, and thrive in a fast-paced and challenging environment. You have no difficulty with a hands-on setting and would look forward to taking on increasing responsibility with the growth of the company.

The assignment is a full-time role, with competitive base salary, bonus and comprehensive benefits. The position is located in Vancouver and the successful candidate will need to work remotely from home at the moment.