Innovation, Collaboration, and Client-Centered Service

100+

Loan products to fit every need.

20

Years of experience

Our mission

“At Cornerstone First Mortgage, we're dedicated to delivering high-quality customer service and providing an extensive range of loan options to find the perfect fit for every client.”

Sean Cahan

CEO of Cornerstone First Mortgage

Culture of Collaboration

Teamwork drives our success. At Cornerstone, we work together so our clients benefit from collective expertise and better outcomes.

People Over Profit

Mortgages are more than numbers. We prioritize understanding each client’s needs to deliver tailored solutions that fit their goals.

Creativity and Innovation

We offer diverse mortgage options to meet challenging scenarios. Creativity drives us to find unique solutions for every client.

Never Stop Being Better

We constantly improve our products and technology, ensuring our clients get the best experience, every time.

Meet Our Team

A team of caring, people-focused professionals

Our team brings not only expertise but also a genuine dedication to each and every client.

NMLS# 338424

Eric Rotner

Originating Branch Manager

NMLS# 982496

Deniz Aksoy

Sr. Loan Officer

NMLS# 1931021

Cody Ramirez

Loan Officer

NMLS# 295989

Peter Gaeckle

Sr. Loan Officer

NMLS# 1404862

Brian Green

Sr. Loan Officer

NMLS #447762

Micah Ascarrunz

Sr. Loan Officer

NMLS 261008

Monica Guiton

Sr. Loan Officer

Val Galvan

Team Processor

“Eric is a very experienced lender with great communication. He’s wonderful to work with always meets timelines or beats them. Working with Eric is a pleasure and I recommend utilizing his services.”

Jeremy Jacobson

“I recently had an opportunity to work with Eric. He is very patient and explains every minute details. It was pleasure to work with him.”

Shailesh Gothi

“Highly recommend you work with Eric. He knows his business inside out. I interviewed a number of mortgage brokers and no one came close to his knowledge, expertise, and follow up. He worked hard to find the best solution for my unique situation. Plus he is a great guy and easy to work with. Give him a call.”

Elaine Ferre

Our Roots in Walnut Creek and the East Bay Community

At My Mortgage Ally, we believe that a mortgage isn’t just a financial transaction—it’s the foundation of your life in the San Francisco Bay Area. Founded on the principles of transparency and advocacy, our team, led by Eric Rotner (NMLS# 338424), brings over two decades of local lending experience to the table. Based in Walnut Creek, we have witnessed the evolution of the Contra Costa and Alameda County real estate markets firsthand. We understand the specific challenges local buyers face, from navigating high-balance loan limits to competing against aggressive all-cash offers in neighborhoods like Saranap, Parkmead, and Tice Valley.

Our presence in the 1501 N. Broadway corridor is a testament to our commitment to the community. We aren’t a faceless online call center; we are your neighbors. This local expertise allows us to provide a level of nuance that national lenders simply cannot match. We know the local appraisers, we understand the regional property tax implications, and we maintain strong relationships with the East Bay’s top real estate agents to ensure your closing is seamless and your offer is prioritized.

The “Ally” Advantage: Why Our Expertise Matters

The name “My Mortgage Ally” was chosen with intent. In a lending environment that often feels transactional and cold, we position ourselves as your strategist and defender. Our team of Senior Loan Officers, including Deniz Aksoy, Peter Gaeckle, and Brian Green, specializes in “outside the box” financing that traditional banks often overlook.

While we offer a full suite of Conventional, FHA, and VA loans, our true expertise lies in solving complex scenarios. Whether you are a tech professional in Silicon Valley looking for an Asset Utilization loan, a self-employed business owner in Walnut Creek needing a Bank Statement or P&L-only mortgage, or a real estate investor utilizing DSCR financing to scale a portfolio, we have the specialized knowledge to bridge the gap.

We operate under the umbrella of Cornerstone First Mortgage, giving us the agility of a local boutique firm backed by the powerhouse resources and competitive rates of a national leader. This hybrid model ensures our clients receive “Top 1% Originator” service—meaning faster turn times, fewer hurdles, and a stress-free path to homeownership. At My Mortgage Ally, your financial goals are our mission, and your future is our priority.

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