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  29 Chase Road #146
Scarsdale, NY 10583

Stiegengasse 11
1060 Vienna, Austria

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Jennifer is a thought leader, innovator, speaker and business builder with nearly two decades of financial services and consumer expertise across major banks and consulting firms in the US, Europe and Asia, including Bear Stearns, Goldman Sachs, JP Morgan Chase and Booz Allen. Jennifer holds an MBA from Harvard Business School and a BS in Finance and Information Systems from NYU Stern, summa cum laude. 

Jennifer Lammer

Boris Koenig

Markus Lammer



Senior Advisor

Boris is an IT and marketing entrepreneur and leader with 20+ years global experience, specializing in software development, customer relationship management and data protection.  Boris was formerly the Head of Marketing and Digital & Customer Engagement Officer at Pipelife and  Head of IT at Pankl Racing.  He studied at Graz University and Danube University Krems in Austria.

Markus is the Chief Operating Officer of the Financial Institutions, Ultra High Net Worth, and Oil & Gas Groups for Credit Suisse, based out of NY. Previously, he was the Chief Operating Officer of Credit Suisse Germany and Central Europe. Markus is a strategic and operational expert with 25+ years financial services experience, with particular expertise in legal, regulatory, compliance and IT. He received his LLM from Yale University as a Fulbright Scholar and is admitted to the NY Bar. 

 "We're more than an app, a spreadsheet, or an online tool. We're your personal financial trainer, coach and bill payment manager. We work with you individually to understand your income and expenses, set your financial goals and help you stay on track to get you there. Meet us weekly, meet us monthly - let's find a plan that works best for you."

Jennifer Lammer
CEO, Diamond NestEgg

For Your Aging Clients & Their Families

Who We Serve

Financial Advisors, RIAs and Wealth Managers

Financial Institutions

Accountants and Tax Advisors

Eldercare and Trust Attorneys

Homecare and Senior Care Companies

Senior Living Communities

Geriatric Care Managers


Our award-winning bill payment and monitoring platform

Convenient, easy-to-use bill payment app

Customized budgeting and reporting tools

Most advanced machine-learning and AI monitoring capability

Fully compliant with bank-level security and data privacy regulations  

Easy integration and white-label solutions via powerful REST API  


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Our Story

Jennifer returned to New York in 2016 after many years living in Frankfurt, London and across Asia. Her parents were just about to retire, and as Jennifer helped them and their friends navigate through this new stage of life, she experienced first-hand the complexities America's retirees face - from 401ks, IRAs and Social Security to bill payment, medical billing and long-term care. She also realized that none of them had saved enough. In early 2019, Jennifer, her husband Markus and his best childhood friend Boris started Diamond NestEgg. Our mission is to help America budget for better future and start everyone saving and growing their nest egg as early as possible.

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