28,119Leland Reviews

I went to Columbia Business School with Christina and was always impressed by her ability to integrate difficult concepts and relate things in a way that anyone can understand. She's an excellent coach and highly recommend her insights for anyone.

Thanks to Andrea, I increased my GMAT score from 455 to 705 in less than two months. His approach is very practical and straight to the point. During our sessions, we focused a lot on practice, and he explained the theory and shortcuts in a simple way till it made sense to me. Then he gave me targeted exercises to work on at home, which really helped me improve faster. He’s also a great motivator and knew how to calm my restless mind when I was stressed or doubting myself.

It’s hard to put into words how much Andrea is helping me and how much work we’ve already done together in the last few years. What started with GMAT preparation became something much bigger. He helped me break through personal and psychological barriers, and the impact went far beyond studying, it changed how I approach life. In a way, it felt like he tuned my inner gears. He saw my value before I fully did, and helped me recognize it. That shift gave me a level of clarity and confidence that led to real results, including now studying at HBS, which a few years ago looked like an almost impossible dream. I still work with Andrea today because he’s my trusted go to person. I referred him to a few of my close friends that now work with him and are having similar extraordinary experiences.

Tom is a true professional whose leadership has transformative impacts on the businesses, teams & individuals he works with. I had the opportunity to work closely with Tom on the same team. His powerful mix of product knowledge, business acumen, and collaboration were instrumental in driving both innovation and operational excellence while actively fostering the development of other colleagues (myself included). He has an exceptional ability to quickly identify gaps in processes or product development and take immediate steps to close them through strategic discovery, all while aligning the team around clear, achievable objectives. While working with Tom, it also became apparent very quickly that he cares deeply about supporting the growth of those around him. He was instrumental in my own personal career development while also taking on a mentor role later on. I am excited to watch Tom's continued growth & impact as a leader, and cannot recommend him enough as an invaluable asset to any team/individual.

Working with Dr. David Castain has been one of the most defining influences in my transition into the consulting world. From the very beginning, he helped me understand how to position myself, build a recognizable brand, and approach relationship-building with intention. The way he explained networking, strategic communication, and the psychology behind influence genuinely shifted how I moved in professional spaces. David is the one who encouraged me to take the leap and formally launch my consulting firm. His guidance played a major role in helping me shape the direction of my company and understand the value I bring to the table. I’m proud to say that my first major client was the Democratic National Committee, where I secured a contract conducting political and strategic research. That opportunity was a direct reflection of the confidence and clarity his coaching helped me develop. He is someone I trust to give honest, thoughtful, and informed guidance the kind that accelerates growth and expands what you believe is possible. David doesn’t just teach you how to succeed, he helps you understand why you’re capable of doing it. I’m grateful for every conversation and every piece of insight he’s shared.

Running a culinary business means constantly shifting between creativity and strategy, and having someone who understands both makes a real difference. Dr. David Castain has been that person for me. From the early stages of my food truck to navigating private chef opportunities, catering tours, and expanding into new ventures, he’s been someone I could call for clear, practical, and honest guidance. When I started exploring government contracts, he walked me through the entire process, how to find them, how to position myself, what documents I needed, and what steps to take. That support helped me move with a lot more confidence and direction. He also helped me strengthen my marketing approach, refine my branding, and think more strategically about how to present my work in competitive environments. What I appreciate most is that David doesn’t try to run your business for you. He listens, gives insight, helps you think through your next move, and makes sure you’re operating from a place of clarity. Whether I’m leveling up a new idea, adjusting my business model, or preparing for a major culinary event, he’s been someone I can count on to help me make smarter decisions. If you’re an entrepreneur or creative who needs guidance that’s strategic, grounded, and personalized, you’ll find real value in working with him.

One of the things I look for in people I work with is clear, practical insight. That’s exactly what I get from Dr. David Castain. When I was preparing my Georgetown application, he helped me tighten my résumé, sharpen my narrative, and make sure my materials reflected the level of professionalism I needed to compete. His feedback was direct, efficient, and highly useful. Since then, David has been someone I reach out to whenever I’m evaluating a new role, pivoting within the marketing space, or building out entrepreneurial ideas. His understanding of strategy, communication, and positioning is strong, and his ability to quickly assess a situation makes decision-making a lot easier on my end. I don’t look for hand-holding, but I do appreciate good insight. And that’s what David consistently brings. Anyone looking for strategic guidance or a cleaner direction in their career or business will get real value from his coaching.

Throughout my academic and professional journey, Dr. David Castain has been one of the few people I trusted to offer real guidance and honest perspective. From my time at Howard University, to my acceptance into Howard Law, and later Georgetown University, David was someone I consistently turned to when I needed clarity, strategy, or a second set of eyes on my applications and decisions. He never tried to take over the pr ocess or take credit, he simply provided insight that sharpened my own thinking and helped me present the strongest version of myself. Whenever I dealt with challenges, whether with professors, administrators, internships, or positioning myself for the next opportunity David was always available to help me see the bigger picture and navigate with confidence. His ability to break things down, ask the right questions, and help me think strategically made a real difference in how I approached each step. I’ve always believed that success comes from doing the work yourself, but having someone in your corner who understands strategy, communication, and elevation makes the journey faster and clearer. David has been that person for me. His coaching is thoughtful, precise, and grounded in experience. Anyone looking to grow, level up, or gain clarity would benefit from what he brings to the table.

Christina was an excellent coach and mentor during my time at Columbia's Mailman School of Public Health. She was extremely helpful in steering me toward a career that I'd be passionate about and supporting a wealth of student programs that I was involved in and helped lead.

I can personally attest that Louis is an exceptional mentor and coach. His experience and perspective have been invaluable throughout both my academic and professional journey. For anyone seeking career advice within product, tech, or AI, I highly recommend checking out his profile or reaching out.