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Reviews, ratings & credentials

Don't just take our word for it. Below is real, third-party proof — from the platforms our students and clients actually use, plus the founder's public track record and published work.

5.0★Google · 35 reviews
54Wyzant ratings
5.0★MentorCruise
53LinkedIn recommendations
12Published books

Independent reviews & ratings

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Google Reviews

★★★★★ 5.0 · 35 reviews

Verified Google Business Profile for Kerr University™ — executive communication coaching & corporate training.

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Wyzant logoWyzant

★★★★★ · 54 ratings

54 five-star ratings, including 12 written reviews, from verified Wyzant students.

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MentorCruise logoMentorCruise

★★★★★ 5.0 · 3 reviews

Business-development mentorship reviews on MentorCruise, an independent mentoring platform.

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Preply logoPreply

Verified tutor profile

Business & conversational English tutoring profile on Preply, an independent language-learning marketplace.

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Wyzant logoDennis T. on Wyzant

★★★★★

“Working with Digby not only helped me improve my learning but also exceeded my expectations with the possibilities of AI. He was kind and patient enough to show me how I could use AI to sell to clients and businesses. Finding a tutor as dedicated, supportive, and genuinely interested in their student’s success is extremely rare.”

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Trustindex

★★★★★ 5.0 · 23 reviews

Independently verified & certified reviews aggregated by Trustindex, a third-party trust and reputation platform.

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Google Reviews

A site-owned carousel featuring selected reviews from Kerr University’s Google Business Profile.

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Google Rating5.0★★★★★35 reviews
J
Josh 46Google review · also reviewed as Dennis T. on Wyzant
AI & business learning
★★★★★

“Working with Digby not only helped me improve my learning but also exceeded my expectations with the possibilities of AI. He was kind and patient enough to show me how I could use AI to sell to clients and businesses.”

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M
Mario SantosMentorship student · Google review
Career mentorship
★★★★★

“Great session with Digby going over strategies to manage my career pivot. Digby is exceptional at helping you break down challenges and find direction and confidence.”

P
Pardeep SinghMentorship student · Google review
Business mentorship
★★★★★

“One of the most valuable conversations I’ve had in a long time. Digby listened carefully, understood my situation, and gave clear advice.”

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D
Deniss IvanovsMentorship student · Google review
Career mentorship
★★★★★

“It is always nice to talk with Digby, not only about business but in general. He is kind, polite, humble, positive, and makes conversation easy.”

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Mohammed Alkattan
Mohammed AlkattanMentorship student · Google review
Mentorship & English
★★★★★

“Digby is a talented and engaging teacher who is incredibly flexible with scheduling. The lesson was enjoyable and productive.”

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A
Alexandra DueñasMentorship student · Google review
Coaching & mentorship
★★★★★

“Digby’s expertise and professional guidance are outstanding. His ability to turn complex topics into actionable advice makes a real difference.”

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Myriam Lien Ngo
Myriam Lien NgoEnglish student · Google review
English fluency
★★★★★

“He teaches with all his heart, enthusiasm, joy, patience, and sacrifice. My English has improved quickly in listening, speaking, and writing.”

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J
Jeremiah BlockerBusiness client · Google review
Team training
★★★★★

“Digby taught my whole team how to use AI and apply it to our business. He puts time and effort into getting to know a business and making a game plan.”

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H
Heitor FoschianiEnglish student · Google review
English confidence
★★★★★

“Digby helped me feel comfortable and confident speaking English, so that I could have conversations with people around the world.”

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B
Buck ChatsBusiness client · Google review
Business development
★★★★★

“Digby’s hands-on approach, knowledge beyond the textbook, patience, and humor helped our business develop skills and resources we did not know existed.”

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Mara Rosângela Paim
Mara Rosângela PaimEnglish student · Google review
English fluency
★★★★★

“Digby is caring, patient, and very friendly. His classes are productive, and my confidence and English level have improved a lot.”

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Josiah Akhtab
Josiah AkhtabMentorship student · Google review
Business mentorship
★★★★★

“Digby demonstrates a deep knowledge of business and industry. He guides you on your endeavors rather than telling you what to do.”

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K
Kimberly HaywoodWriting student · Google review
Business writing
★★★★★

“Digby helped make invaluable adjustments to my work. His patience is remarkable, and he creates a judgment-free zone that lets people learn without feeling rushed.”

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Daniela Perea Escobar
Daniela Perea EscobarEnglish student · Google review
English tutoring
★★★★★

“Digby’s patience, dedication, and faith in my ability to learn are truly inspiring. I am always learning something new with him.”

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B
Bill MoraWriting client · Google review
Writing & communication
★★★★★

“Digby is a talented and skilled instructor. His unique talent helped me write with passion and sincerity. I encourage anyone to seek out his services.”

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Z
Zhang YanEnglish student · Google review
English & career guidance
★★★★★

“Digby is a passionate and experienced teacher. His lessons build understanding of English grammar and communication, along with practical career guidance.”

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Recommendations on LinkedIn

A sample from 53 verified recommendations on Digby's LinkedIn profile — from real clients and colleagues across his career.

“I had the privilege of hiring and working directly with Digby. He was always customer-focused, with excellent relationships built over years, and proactive in developing solutions. I recommend him highly.”

Anthony Celii — VP, Strategic Accounts (managed Digby directly)

“A top performer, an astute businessman, and a true professional — possessing a high degree of integrity, unsurpassed in the industry today.”

Steve Rubin — President / Founder (client)

“Digby is energetic and a GREAT communicator. He possesses the highest integrity — intelligent, objective, highly organized, and a consummate professional.”

Paul Kubina — Principal, KUBINA LTD (client)

“One of the most gracious, appreciative, and trustworthy individuals I've ever worked with. Patient, understanding, and always willing to learn.”

Shannon Lazar — Learning & Development Manager

“He has a unique way of making you feel like he is invested in your business as much as his own. Digby and his team will figure out solutions other companies won't.”

Dan Kilcoyne — Mini Melts USA (client)

“One of the most memorable and best guys I know — a tireless worker who will go out of his way to help someone. Digby embodies the spirit of a professional and a genuinely good person.”

Jaime Salerno — Digital Marketing

“Worth every penny. They reduced my delivery expense by 15% while stabilizing ever-increasing soft costs.”

Jeffrey Rochler — Territory Account Manager (client)

“He is interested in helping people grow as professionals as well as individuals. His energy, interest, and passion are refreshing to see.”

Mark Redini — Logistics Professional

“One of the most loyal, dedicated, and hard-working individuals I have EVER met. He has a love for people and always does what's best for the client.”

Nicole Zumbo — Customer Account Financial Controller (client)

“Recognized four consecutive years by his peers for the company's highest award. Accurate, timely, and a true professional.”

Terry Hartley — Director of Pricing, FedEx

“Digby put together a team that handles any challenge with professionalism and excellence. I wouldn't trust anyone else with my material.”

Daniel Lacroix — Health, Safety & Environmental Compliance Manager (client)

“He inspires confidence in his staff and is passionate about his professional commitment to his clients. His success in business is no surprise.”

Marc Levenson — MISTERVOICER.COM (client)

Showing 12 of Digby's 53 LinkedIn recommendations — 41 more are on his profile.

See all 53 recommendations on LinkedIn

The founder's verified track record

Digby R. Kerr's credentials are public and independently checkable.

See Digby on LinkedIn →

Published books by Digby R. Kerr

The latest title, The Trusted Advisor, is now available in Apple Books and as an audiobook. The wider collection is distributed internationally across book, audiobook, and library retailers, with availability varying by title and country.

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